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warm up 暖和起来
Warm up right before you plan to start your workout.
在开始你的锻炼时候正确的热身活动。
You'll soon warm up.
你很快就会暖和起来的.
on business 出差
But phil, 57, a sales rep for a pharmaceutical company, was out of town on business.
但是57岁的菲尔，一个医药公司销售代表，因公在外。
v. 防护，辩护，防守
