Rat flea
[医] 鼠疫蚤, 开皇客蚤
🧩 词语组成解析
rat
[ræt]
n. 大老鼠;似鼠动物;<非正式>鼠辈，卑鄙小人;
vi. 捕鼠;<俚>背叛，告密;
flea
[fli:]
n. 跳蚤，蚤目的昆虫;生蚤的动物;
🗣️ 情景例句
Mary, this is Stone's brother Jim.
玛丽，这是世通的兄弟吉姆。
What is known to three is known to everybody.
一件事情三个人知道就人人知道。
I've recently noticed that one of my work-mates is stealing.
我最近注意到，我的一个工友在行窃。