Coenosorus
汇生囊群
🗣️ 情景例句
Do either of you have any reason
两位之中可有哪位因为某项原因
His opening remarks were serious.
他的开场白说得很严肃。
Oxygen is widely used in ship repairs for cutting and joining metal plates or pipes.
在船舶修理过程中，常常使用氧气切割和焊接金属板或金属管。