fingernail; the translucent plate at the tip of the finger or toe

deck of a ship or boat

An endocrine gland located at the front of the neck that secretes hormones to regulate metabolism and growth.

first class; top-rated; excellent; the highest grade in a classification system

(Organic chemistry) formaldehyde; a colorless, pungent, toxic gas used in manufacturing resins, plastics, and dyes, or as a disinfectant in aqueous solution

steel plating or composite material used to protect vehicles, ships, or fortifications from bullets and explosives

a vest or sleeveless garment worn over a shirt, often a waistcoat; sometimes used in southern dialects

the hard protective outer shell or carapace of certain animals, such as crustaceans, insects, or turtles

methyl alcohol; wood spirit; a colorless, volatile, flammable, and poisonous liquid organic compound used as a solvent and fuel

the methyl group in chemistry

armor or body armor and helmet; specifically the protective headgear and clothing worn by ancient soldiers, typically made of metal or leather

The earliest known form of systematic Chinese writing, consisting of inscriptions on tortoise shells and animal bones used for divination during the Shang and Zhou dynasties

armor or mail made of iron plates, used for ancient soldiers

cosmetic liquid used to color or decorate the fingernails and toenails

An armored combat vehicle protected by bulletproof steel plates; also known as [[铁甲车|鐵甲車|tie3 jia3 che1]].

The first year of the sexagenary cycle in the traditional Chinese calendar system

General name for beetles (insects with hard outer wing covers); also written as [[甲壳虫|甲殼蟲|jia3 qiao4 chong2]]

methane; CH4. A colorless, odorless, flammable gas that is the primary component of natural gas and biogas.

Common name for the Chinese softshell turtle

protective body armor worn during battle in ancient times, often made of interlocking metal plates

(abbreviation) hyperthyroidism; a condition where the thyroid gland is overactive, commonly causing symptoms like heart palpitations, tremors, and weight loss

Famous Chinese martial artist (1868-1910) and co-founder of the Chin Woo (Jingwu) Athletic Association; also known as the subject of the film "Fearless"

methanoic acid; the simplest carboxylic acid, naturally occurring in the stings of ants and bees, used widely in the leather and dye industries

the hard material at the tips of the toes

toluene; methylbenzene; a colorless, flammable, and volatile liquid organic compound used as a solvent and in the production of explosives, dyes, and resins

abbreviation for [[甲型病毒性肝炎|甲型病毒性肝炎|jia3 xing2 bing4 du2 xing4 gan1 yan2]], an infectious disease of the liver

first class; top grade

xylene; also known as dimethylbenzene; a colorless flammable liquid hydrocarbon used as a solvent and in the manufacture of plastics and synthetic fibers

benzoic acid (C6H5COOH)

The thirty-first year of the sixty-year sexagenary cycle, occurring every sixty years (for example, 1894, 1954, or 2014).

Sixty years of age; the age of sixty

the nail on a finger

metronidazole; an antibacterial and antiprotozoal drug often known by the trade name Flagyl

An armor-piercing shell or bullet used against tanks, ships, and other armored targets; designed to penetrate steel plating or fortifications through high hardness or heat.

(literary) golden armor; protective armor worn by a warrior

pangolin; scaly anteater; a protected mammal with sharp claws and keratin scales that feeds on ants and termites

thyroxine; thyroid hormone. A hormone produced by the thyroid gland that regulates metabolism and growth, often used as a medication to treat an underactive thyroid.

The war fought between the Qing Dynasty of China and the Empire of Japan from 1894 to 1895 over influence in Korea; named for the [[甲午|甲午|jia3 wu3]] year in the lunar calendar.

an army branch equipped with tanks and armored vehicles

The twenty-first year of the sixty-year sexagenary cycle.

The 11th year of the 60-year sexagenary cycle, formed by combining the first heavenly stem [[甲|甲|jia3]] and the eleventh earthly branch [[戌|戌|xu1]].

dimethyl ether; a colorless, flammable organic compound often used as a fuel or aerosol propellant

Malacca or Melaka, a town and state in Malaysia; also refers to the strait between the Malay Peninsula and the Indonesian island of Sumatra

The fifty-first year of the sexagenary cycle, occurring every sixty years, such as 1914, 1974, or 2034.

(literary) armor and helmet; ancient body armor

a high-performance engineering plastic; polyformaldehyde (CH2O)n

The 41st year of the sexagenary cycle (such as 1964 or 2024), combining the first celestial stem and fifth terrestrial branch.

the scales of fish or snakes and the shells of tortoises or turtles; often used to refer to aquatic animals with such protection