rat

/ræt/

any of various long-tailed rodents similar to but larger than a mouse

中文释义：老鼠；大鼠

Rats are known to carry diseases and can contaminate food supplies.

老鼠以携带疾病而闻名，并可能污染食物供应。

The laboratory uses rats for experiments to test new medications.

实验室用大鼠进行实验，以测试新药物。