Osseointegration
[医]材料与骨结合，骨整合
🗣️ 情景例句
What did you mean by well ...?
你说 嗯…… 的意思是什么？
I didn't know whether to send the letter airmail or not.
我不知道是否送航空邮件。
I find listening really hard. Sometimes it's just impossible to understand.
我觉得听力很难。有时简直听不懂。