Concavely
[建] 凹的
🗣️ 情景例句
Hmm, interesting.
嗯， 有意思。
About ten minutes.
大约10分钟。
Our project must proceed at a reasonably quick tempo. Surely one month is ample time, isn't it?
这个计划必须尽速进行。一个月的时间应该够了吧？