Dentification
牙形成
🗣️ 情景例句
He's been here for years, he should know the ins and outs of the job by now.
他在这里已经好多年，现在理应熟悉各方面的工作了。
He's not feeling very well today.
今天他觉得不舒服。
Thank you.
谢谢。