A tyre expands, when you pump air into it.
打气进去,轮胎便会胀大。
Drums and gongs were beating boisterously. A tyre expands when you pump air into it.
轮胎一打气就鼓起来。
you can see that this tyre should have a pressure of 75 to 100 pounds per square inch. if your pump has a pressure gauge, you can pump it up to this precise figure. if it doesn't, just pump till they feel hard.
你可以看到,这个轮胎的压力是每平方英寸75至100磅。如果你的气筒有压力计的话,你可以准确地为轮胎充气。如果没有的话,充气到轮胎摸上去比较硬就可以了。
A tyre expands when you pump air into it.
轮胎一打气就鼓起来.
I tried to pump up my back tyre.
我试图给后胎打气。
She blow up the flat tyre with a bicycle pump.
她用自行车打气筒给瘪了的轮胎打气.
She blew up the flat tyre with a bicycle pump.
她用自行车打气筒给瘪了的轮胎打气。
You need to pump up that tyre.
你需要给那个轮胎充气。
i used a hand pump to inflate my bike tyre.
我用手动气筒给自行车轮胎充气。
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