Tcnb
[建] 四氧硝基苯
🗣️ 情景例句
Can you confirm that the meeting is at 9:00 a.m.?
你能否确认一下，开会的时间是早上9点吗？
Yesterday was Sunday.
昨天是星期日。
Just for argument's sake, suppose we disagree.
为了讨论各种情形，让我们假设我方不同意时的处理方法。