Apr ii
[医] 垂体前叶反应II(阿-宋二氏试验中发现出血性卵泡)
🧩 词语组成解析
[计] 替换通路再试器
abbr. 微光（Image Intensification）
🗣️ 情景例句
This is as useful as screen door on a submarine.
这毫无用处。
All is not at hand that helps.
有用的东西并不都是垂手可得的。
It is better to ask for help at the beginning rather than to wait until a busy period when everyone is rushed off their feet.
最好在开始工作时就请人帮忙，而不是等到大学都忙得不可开交的时候。