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take in air and send it out through their nose or mouth

来源:学生作业帮 编辑:搜狗做题网作业帮 分类:英语作业 时间:2024/05/15 15:08:18
take in air and send it out through their nose or mouth
nose 和mouth需要用复数吗?不用为什么
take in air and send it out through their nose or mouth
take in air and send it out through their nose or mouth.吸入空气,通过鼻子或口呼出.
这里的nose or mouth是泛指人的.指的是他们每个人的鼻子或口,不是说所有人的多个鼻子或口.用一个人的鼻子或口代指所有人的.