Denhardtite
黄蜡煤
🗣️ 情景例句
Before the barbeque let's sharpen all the knives.
烧烤之前先把刀磨一磨。
Such data is confidential.
这样的资料为机密资料。
How long has Jim been at his school?
吉姆到校有多长时间了？