| 词汇 | block up |
| 释义 | block upblock up1.■封闭, 堵塞They will have to block up the entrance to the tunnel.他们将不得不封闭通往隧道的入口。2.■垫高You will have to block up the wheel of the car to change the tire.换轮胎必须把车轮垫起来。 |
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