Gettering
采煤, 采掘工作, 收气, 吸气, 吸气法(真空技术)
🗣️ 情景例句
What you say makes no sense.
你说的话毫无道理。
George's father is an attorney.He has his own practice.
乔治的父亲是一个律师，他有他自己的实践经验。
Frank gently lifted the crockery out of the box an suddenly noticed a miniature painting at the bottom of the packing case.
弗兰克轻轻地把陶器拿出箱子，突然发现在箱底有一幅微型画，