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At the speed of
reach a speed of 达到…的速度
1.他以200千米每小时的速度开车。
He drives at the speed of 200 km/h.
2.这些士兵以每小时40千米的速度前进。
These soldiers go on at the speed of 40 km/h.
3. 一群蜜蜂以每小时500英里的速度前进。
A colony of bees fly at the speed of 500 km/h.
1.注意事项：although 不能和but同时连用，两者是敌人，不见面。
Eg. 1.尽管他年龄很小，他知道很多。
Although he is young, he knows a lot.
2. 尽管天气很冷，我们还是去野营了。
Although it was very cold, we still went camping.
3.尽管生活很艰难，我们仍然要乐观。
Although life is very hard, we still should be optimistic.
4.他虽然生病,但仍努力工作。
Although he was ill, he worked hard.
5. 尽管我的家很破，我还是很喜欢回家。
Although my family is very poor, I like my home very much.
