mouse
/maʊs/
any of numerous small rodents typically resembling diminutive rats having pointed snouts and small ears on elongated bodies with slender usually hairless tails
中文释义：老鼠；小鼠
The laboratory mouse is commonly used in scientific experiments.
实验室小鼠常用于科学实验。
A mouse scurried across the kitchen floor, startling the cat.
一只老鼠窜过厨房地板，吓了猫一跳。