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1·When an ionic crystal dissolves in a solvent, the ions break off from the crystal.

晶体 中的一种缺陷结构，它是由一个阳离子空位和一个阴离子空位组成的空位对。

2·Icebergs that break off from glaciers onshore are driven by winds and currents into shallow waters.

近岸冰川脱落下来的冰块被风和洋流推动到浅水区。

3·That is because snow and ice melt, or break off from glaciers. They flow into the sea. The increased water makes the sea levels rise.

这是因为冰雪从冰川上消融并流入大海，这些增加的水使得海平面上升。

4·When attending a class, the urge to break off from paying attention and foray into reddit for some browsing and light learning can really effect your grades.

当你在课堂上集中注意力专心听讲学习时，偶尔的想要休息一下的念头可能会影响你的学业。

5·But they are teaching us that in the future we would brought break off from our big city into smaller communities, and we will take care of ourselves and each other.

而是在教导我们，在未来，大城市将不复存在，我们是以较原始的小区群落共存的，我们要学会自力更生相互关心彼此照顾。

6·Muenchow said he had expected an ice chunk to break off from Petermann, one of the two largest remaining glaciers in Greenland, because it had been growing in size for seven or eight years.

Muenchow说它曾预计过会从格林兰两大冰川之一的彼得曼崩解出一块冰块，因为彼得曼冰川的体积在过去七到八年的时间都一直在增大。

7·I suggested that she break off two or three bananas from the bunch and just buy those.

我建议说她可以从一把上切下来两三个，只买那些就可以了。

8·So you have to break it off (again) and explain to your current partner why you're suddenly getting e-mails or calls from him after all this time.

因此你不得不又一次分手，并且像现在的伴侣解释这这段时间之后你为什么突然收到前任的邮件或电话。

9·Take a break when the timer goes off: After your time is up, physically remove yourself from the computer.

当时间到了以后休息一下：在你花完了时间以后，把你的人从电脑前挪开。

10·During Christmas break in my senior year, I was bored during the two weeks off from school... partly because I had no serious problems to deal with.

在高三圣诞节两星期的休假中，我感到无聊，一定程度上是因为没有什么真正的问题可供我解答。