Colk
[地质]锅穴, 瓯穴
🗣️ 情景例句
get some background on the job.
了解这项工程的一些背景。
Don't get mad. It's not worth it.
不值得为这点小事生气。
that people have for years assumed that the process of losing vigour with time,
多年来就已认识到。生命力随着时间流失而丧失活力，