white mouse; laboratory mouse or rat; a human guinea pig used to test a new product or method

a variety of Chinese cabbage with green leaves and white or green stalks that do not form a tight head; pak choi

an attractive young man with fair skin and refined features, often used as a derogatory term for someone who is effeminate or lives off a woman's money; gigolo

(informal) an attractive young man with fair skin; often used negatively to imply he is feminine or a gigolo

(bird species of China) house swift (Apus nipalensis)

a bird species of China (Anser erythropus)