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1·When the rig sank, the riser broke near the top while remaining attached to the blowout preventer at the bottom.

当钻井平台下沉时，立管在顶部附近的地方断裂，同时另一端仍与底部的防喷器相连。

2·He was an early riser and he would be at the breakfast table at seven.

他习惯早起，七点钟就坐在桌前用早餐。《柯林斯英汉双解大词典》

3·Do you believe that anyone can ditch their alarm clock and become a happy early riser?

你相信任何人都能把闹钟丢弃，并且变成一个快乐的早起者吗？

4·Remote-controlled machines smash the sulfide deposits, which are then hoovered up through a riser pipe to a vessel on the surface.

远程控制的机器粉碎硫化物沉积物，然后通过升流管将其吸附到地表的容器上。

5·For many years, I was a late riser.

很多年以来，我一直起床比较晚。

6·Yes, I am an early riser.

是的， 我是个早起的人。

7·Are you and early riser?

你是早起族么？

8·Why did you decide to become an early riser?

为什么你决定变成一个早起的人？

9·At a 1.6-mile depth, the assembled riser weighs 1,000 tons.

在1.6英里的深度，组装好的立管重1,000吨。

10·At a 1.6-mile depth, the assembled riser weighs 1, 000 tons.

在1.6英里的深度，组装好的立管重1 000吨。

(1)marine riser隔水管；海底取油管

(1)early riser◎早起者，(习惯于)早起来的人