1.exceed 超过
Its research budget exceeds$ 700 million a year.
其研究预算每年超过7亿美元。
2.let alone 更不必说
He did not have enough money to have the tire patched up, let alone buy a new one.
他的钱还不够补这个轮胎，更别提买个新的了。
3.run-up 前期
The issue of the monarchy is complicating politics in the run-up to the elections.
就在选举拉开序幕前，君主政体的问题使政局变得复杂起来。
4.repel使厌恶
I was repelled by the smell.
这种气味让我恶心。
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