1. double take 不能置信的表情
She looked up, then did a double take when she saw my dress and makeup.
她抬起头，看见我的衣服和打扮露出不能置信的表情。
2. a basket of 一篮子 (货币或商品)
The dollar has fallen 6.5 percent this year against a basket of currencies from its largest trading partners.
美元对其最大贸易伙伴们的一篮子货币今年贬值了6.5%。
3. Cohort 1(有共同特点或举止类同的)一群人，一批人；2同伙，支持者
the 1999 birth cohort (= all those born in 1999) 1999年出生的同龄人口
Drake and his cohorts were not pleased with my appointment.
德雷克和他的朋友们对我的任命不满。
4. work out 锻炼
Work out at a gym or swim twice a week.
每周两次在健身房锻炼或游泳。
5. bottom line 最重要的因素
The bottom line is that it's not profitable.
最重要的是这无利可图。
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