She sold every air-conditioner she could lay hold of.

她卖掉了她所能弄到的每一台空调机。

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Some ideas in this science book are hard to lay hold of.

这本科技书里的一些概念很难理解。

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Some ideas in this science book are hard to lay hold of.

这本科技书里的一些概念很难理解。

youdao