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接机
Health Insurance-(医疗保险)
1. - see sit 2;3
2. 尽心尽力(去做某事)If you sit down and do something, you spend time and effort doing it in order to try to achieve something.
3. see also: sit-down
1. be seated
Synonym: sit
2. show to a seatassign a seat for
e.g. The host seated me next to Mrs. Smith
Synonym: seatsit
3. take a seat
多通过句子记忆单词,而不是单独死记硬背。