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heat up 英 [hi:t ʌp] 　美 [hit ʌp]

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heat up

phrase. 加热　 phrase. 变热　 phrase. 升温　

Their businesses have heat up as quickly as the weather.　他们的生意随着天气变热也越做越红火。

Despite the cold weather, you'll still heat up and lose fluids through sweat.　尽管是在冷天里，运动时你仍然在升温并且通过汗液遗失水分。

1. Their businesses have heat up as quickly as the weather.

他们的生意随着天气变热也越做越红火。
2. Despite the cold weather, you'll still heat up and lose fluids through sweat.

尽管是在冷天里，运动时你仍然在升温并且通过汗液遗失水分。
3. And, with no action at all, the planet could even heat up by 5-7C by the end of this century – and more thereafter.

如果根本不采取行动，到本世纪末，地球甚至可能升温5至7摄氏度，而且以后会升的更高。

ˌheat ˈup1to become hot or warm变热；变暖warm upThe oven takes a while to heat up.烤箱得过会儿才能热起来。2(especially NAmE)

(BrE alsoˌhot ˈup)

to become more exciting or to show an increase in activity激烈起来；更加活跃The election contest is heating up.选举竞争正趋于白热化。