Senses
弹丸/ 彈丸 pellet
a small solid ball used as ammunition for a slingshot or catapult; shot
弹丸/ 彈丸 bullet
a projectile fired from a firearm; bullet or slug
弹丸/ 彈丸 tiny
(literary) very small; usually used as a describing word to refer to a tiny area or a small piece of land