Injection efficiency
[计] 注入系数
🧩 词语组成解析
🗣️ 情景例句
the one that Daddy wanted you to wear.
爸爸要你穿的那一套。
I wrote several letters on my mother's behalf.
我代表我母亲写了几封信。
An enterprise has to incur certain costs and expenses in order to stay in business.
一个企业为了继续经营，不得不支出一定的费用和开销。