Embolus
n. 栓子, 栓塞物\\n[医] 栓子
🗣️ 情景例句
Bye.
再见。
Don't forget to put stamps on the letter before you mail it.
不要忘记在寄信以前把邮票贴在信封上。
During the journey, their boat began to sink.
途中，船开始下沉，