
The spring kept bubbling up.
泉水咕嘟咕嘟地往外冒。
The shortage of cotton kept the prices up.
棉花短缺使价格下不来。
Jeff worked hard to keep the apartment up, but he kept it up well.
杰夫很努力地收拾住的公寓,不过他收拾得很干净。
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But had you somehow kept it up, and in huge Numbers you would be in a better place now.
然而是你不知不觉中维持了它,现在很多人应该有所改观了。
They kept up a sturdy opposition to the plan.
他们坚决反对这个计划。
He kept up a correspondence with Tom.
他和汤姆保持通信联系。
The subject kept coming up in conversation.
这个题目在谈话中不断地被提及。