Astm
[化] 美国材料试验学会
🗣️ 情景例句
There's something I have to ask you.
我有一件事要问你 。
What were you doing this time last year?
去年这时候你在干什么？
In Jim and Kate's house, Father Christmas is really Mr. Green.
在吉姆和凯特家里，“圣诞老人”实际上就是格林先生。