Acie
美国化学工程师学会(American Institute of Chemical Engineers)
🗣️ 情景例句
and writing the background for Family Album,U.S.A.--
为Family Album,U.S.A.撰写背景说明的年轻人
It is easier to give good counsel than to follow it.
提出忠告易，照著办事难。
The man who had fixed up the air-line was also questioned.
安装供气管的那位工人也被提问。