Injection efficiency
[计] 注入系数
🧩 词语组成解析
🗣️ 情景例句
No, you needn't do that.
不行呀，你不必这样。
Mac always has to run to catch his train.
麦克常常为了赶乘火车而奔跑。
My wife and I were at the race.
我和我的妻子也去了。