She was holding onto the rail to keep her balance.
她抓着栏杆来保持身体平衡。
As with all dead things, holding onto it won't keep it alive or change the fact that it's useful time has come and gone.
死了的东西,坚持下去不会让它复活,或者改变它有用的时间已经来了并且过去了的事实。
But new messages just keep piling onto old ones like a game of Tetris you're about to lose.
但新的消息就像俄罗斯方块一样一直堆积到旧的上面,直到你不得不去搞定他。
By determining how many of those molecules to hold onto, how many to keep in the body, how many to release determines the internal composition with regard to that ion.
通过控制体内这些分子的水平,即体内保有多少,又排出多少,就能够保证内环境中离子组成的稳定
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