每小时的

Great whites are torpedo-shaped with powerful tails that can propel them through the water at up to 15 miles (24 kilometers) per hour.

意译：大白鲨鱼是鱼雷形，用强大的尾巴可以推进它们通过水起码可达15英里（ 24公里）每小时。

Great whites are torpedo-shaped with powerful tails that can propel them through the water at up to 15 miles (24 kilometers) per hour.

大白鲨是鱼雷外形具有强有力的尾巴可以驱使它们穿越海域相当于每小时15英里（24公里）。

Great whites are torpedo-shaped with powerful tails that can propel them through the water at up to 15 miles (24 kilometers) per hour.

意译：大白鲨。大白鲨是鱼雷形状和强有力的尾巴这能推进它们穿越水域直到每小时15英里（24公里）。

Great White Shark Great whites are torpedo-shaped with powerful tails that can propel them through the water at up to 15 miles (24 kilometers) per hour.

意译：大白鲨。大白鲨是鱼雷形状和强有力的尾巴这能推进它们穿越水域直到每小时15英里（24公里）。

Great white sharks are torpedo-shaped with powerful tails that can propel them through the water at up to 15 miles (24 kilometers) per hour.

大白鲨像是鱼雷攻击手成形，它们有强大有力的尾部，而能够快速推进它们自己通过水域达到每小时24公里。

A whip makes a cracking sound because its tip moves faster than the speed of sound(760 miles per hour).

鞭子能发出劈啪声，是因为鞭端运动的速度比音速（每小时760英里）快。

The three-hour class is divided into four blocks of 45 minutes each.

三小时的课分成四节，每节 45 分钟。

The word knots is a seagoing speed term meaning nautical miles per hour.

&节&这个词是海航速度的术语，意思是海里每小时。

The teacher charges his student 100 yuan an hour for teaching him how to play the piano.

那位老师教他的学生弹钢琴每小时收费100元。参考答案

The teacher charges his student 100 yuan an hour for teaching him how to play the piano.

那位老师教他的学生弹钢琴每小时收费100元。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。