Subgingival
[医] 龈下的
🗣️ 情景例句
Since English is not your native tongue.
因为英语不是你的母语。
I asked you if you wanted some help.
我是问你是否需要帮忙。
Well, goodbye then. Have you enjoyed your two years in China?
那么再见了。你在中国两年过得愉快吗？