They must also keep swimming to keep from sinking, since most have largely or completely lost the swim bladder, the gas-filled sac that helps most other fish remain buoyant.
它们还必须不停地游动以避免下沉，因为大多数鱼基本上或完全失去了鱼鳔，这个充满气体的囊帮助大多数其他鱼保持浮力。
The butler nodded, and when he saw Heidi put the bread in her pocket, could hardly keep from laughing.
管家点了点头，当他看到海蒂把面包放进口袋时，差点忍不住笑起来。
These lessons are very important; they're how we grow, and how we keep from making that same mistake again.
这些教训非常重要，因为它们是我们成长的方式，也是我们避免再次犯同样错误的方式。
Th' trouble is that sometimes they can scarce keep from burstin' out laughin'.
问题是，有时他们几乎忍不住要笑出声来。
I couldn't keep from laughing.
我忍不住笑了。
He couldn't keep from laughing.
他忍不住大笑。
Tyrion scratched his scar to keep from laughing.
提利昂抓着伤疤以防笑出声。
"Nothing," Samuel says trying to keep from laughing.
“没什么，”塞缪尔在尽力忍住不笑。
Hearing the words, he couldn't keep from laughing.
听了这些话，他不由得笑了起来。
Hearing the words, he couldn't keep from laughing.
听了这话，他不由得笑了起来。
I want so much to sing, I tell myself no. But it is so hard to keep from singing.
我渴望歌唱，我告诉自己不可以。但这种渴望难以抗拒。
'You'll be surprised to find how far the war correspondents keep from the fighting.
你会惊讶地发现那些战地记者们离战场有多远。
I bit my lip to keep from crying out as we reached the basement door which was locked.
我紧咬嘴唇，尽力不让自己哭出来，随后我们到达地下室门口，门是锁着的。
'You'll be surprised to find how far the war correspondents keep from the fighting.'
你会惊讶地发现那些战地记者们离战场有多远。
Something tickled my hindbrain then, and I had to bite my lip to keep from laughing.
就在此时，不知什么东西挠了下我的后脑，我使劲咬住嘴唇才没有笑出来。
Its wing membranes are folded and ugly, and it hugs the rock to keep from slipping off.
它的翼膜丑陋地折叠着，紧靠着岩石，以防止滑落。
The number one rule for consistently doing what you say is to keep from over committing.
言出必行的第一条就是不要随便做出承诺。
I could hardly keep from laughing when some of the cadenzas imitated the warbling of birds.
当我听到那些唱乐曲终了的华彩句的歌手，模仿着鸟的啭鸣时，我就禁不住要笑。
Make sure to stick to your schedule and follow through on your goals to keep from falling behind.
要确保你会遵照这份日程表、朝着你的目标努力到底，而不要拖延。
She jabbed the points of her skates into the ice to keep from sliding backward and climbed slowly up the hill.
她把鞋子的尖刀戳进冰里，让自己不会往后滑，然后慢慢地往山坡上爬。
This is how recursive functions keep from trashing the values of the variables in other, active function calls.
这就是递归函数是如何保证其他活动函数调用中的变量值不受影响的。
You may need to limit your exposure to certain types of media in order to keep from feeling bad about being single.
你可能要少接触这类媒体，以便让自己不因单身而感到痛苦。
Sometimes we laugh together to keep from crying and, when we do, we are both strengthened for yet another day.
有时候我们会一起大笑来避免哭泣。当我们大笑时，两人力量大增，又能顽强地度过一天。
There are people who can do all fine and heroic things but one: keep from telling their happinesses to the unhappy.
有些人能胜任一切善事和壮举，除了一样：不向不幸者诉说他们的幸福。
In fact, you'll need to be quite specific as to what you're looking for to keep from getting an excessive number of results.
实际上，必须进行更有针对性的搜索，否则会得到过多的结果。
If, this evening, the image of a certain childhood comes back to me, how can I keep from welcoming the lesson of love and poverty it offers?
若是有一幅如此这般的童年图景今晚回到我心中，我又怎能不欢迎其中所包涵的爱与贫穷的真谛呢？
The latter turned out to be a bad idea because the Declaration, which was written on parchment, actually needs a bit of moisture to keep from cracking.
后来证明“保持干燥”不是个好主意，因为《宣言》写在羊皮纸上，实际上需要一点湿度以防干裂。
Use pillows to prop yourself on your side, or attach a tennis ball with a rubber band to the back of a T-shirt to keep from turning over on your back.
用枕头支撑着保持侧身躺，或者用橡皮筋在你体恤衫的后面系一个网球来防止你仰面躺着。
Use pillows to prop yourself on your side, or attach a tennis ball with a rubber band to the back of a T-shirt to keep from turning over on your back.
用枕头支撑着保持侧身躺，或者用橡皮筋在你体恤衫的后面系一个网球来防止你仰面躺着。
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