Jackengine
n. 辅助发动机
🗣️ 情景例句
We'll open a letter of credit if you promise to effect shipment one month earlier.
如果你方答应提前一个月交货，我们就同意开信用证。
How many languages do you speak?
你说多少种语言？
Sorry, sorry, Polly says sorry!
对不起。