Tensioner
n. 拉紧器, 张紧装置；皮带张力器
🗣️ 情景例句
That's it.
就这样。
He has a car.
他有一辆车。
It seems that there is a big waste pipe coming down from the town. Do you see it, over there?
好象有一条很粗的废水管从镇上通到海里。您看见了吗？在那边？