Astm
[化] 美国材料试验学会
🗣️ 情景例句
Let's see. Four desks.
我来看看。四张桌子。
Long time no see.
好久不见。
John had very good day and put his wallet containing $3,000 into the microwave oven for safekeeping.
有一天约翰的生意很好，他把一只装有3，000 英镑的钱包放进微波炉内保存。