according to (the) age (of) ;① 對于兒童,這種方法可能充滿困難,必須按兒童年齡加以改進(jìn)。① For children, this procedure can be fraught with difficulties and must be modified, according to the age of the child.② 獲得了頭的長、寬、深之后,與按年齡列出的容許......(本文共 392 字) [閱讀本文] >>
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