Acetochloral
三氯乙醛, 氯醛
🗣️ 情景例句
Seven after nine? No. I'm sure he's in his office.
九点零七分 ，不会太早的。我肯定他到办公室了。
His working is behind schedule.
他的工作比预定的进度落后了。
Yes, we are.
是的，我们是来旅游的。