Ductus
[医] 管, 导管
🗣️ 情景例句
The advanced exercise class is not so easy, huh?
高级健身班不是那么容易吧， 对不对？
Will you take that library book back for me?
你能帮我把书还回图书馆吗？
Early next morning, she saw a light ahead.
第二天凌晨，她看到前方有灯光，