Flea collar
(内藏杀蚤剂的动物)灭蚤颈圈
🧩 词语组成解析
flea
[fli:]
n. 跳蚤，蚤目的昆虫;生蚤的动物;
🗣️ 情景例句
and collect the furniture we need.
募集我们需要的家具。
Give as good as one gets.
以其人之道，还治其人之身。
It is the natural frequency of emission of the hydrogen atoms in space and was discovered by us in 1951;
这个频率是空间氢原子释放的自然频率，是在1951年被人类发现的。