tightener

常见例句

Turn the screw to the right to tighten it.
将螺钉向右旋紧。
He says he will take step to tighten up the administration.
他说他将采取措施加强行政管理。
He said he would take steps to tighten up the administration.
他说他将采取措施加强行政管理。
Because of unemployment many people had to tighten their belts.
由于失业，许多人不得不勒紧裤带生活。
The sailors heaved at rope to tighten the sail.
水手们用力拉绳把帆绷紧。
Will you tighten this screw; it's very loose.
你把这个螺丝拧紧好吗，它太松了。