Cannulae
套管, 插管
🗣️ 情景例句
What are you gonna do now?
你打算做什么？
How many provinces do you have?
你们有多少个区？
For a long time.I watched them scurrying around the base of the tree in bewilderment.
在很长一段时间里，我看见蚂蚁围着大树底部来回转悠，不知所措。