例句 |
Those columns have to be strong enough to support the weight of the roof.那些柱子必须足够坚固才能支撑住屋顶的重量。He sat down suddenly, as if he didn't trust his legs to support him.他突然坐下来,好像信不过他的腿能支撑住自己似的。We propped up the beams with long boards.我们用长木板支撑住横梁。It is strong enough to bear up the weight of the roof.它很牢固,足以支撑住屋顶的重量。Wait until we've braced the ladder.等我们把梯子支撑住再说。 |