单词:sacs
音标:[sæks] ;
n. (动植物组织中的)液囊( sac的名词复数 )
n. pl. A tribe of Indians, which, together with the Foxes,
formerly occupied the region about Green Bay, Wisconsin.
formerly occupied the region about Green Bay, Wisconsin.
单词:sacs 相关文章
How Birds Breathe 鸟是如何呼吸的 Y: Don, flying is tougher than walking or running, right? So how come birds dont get winded and run out of breath? D: Actually, in terms of distance per unit energy, flying is pretty efficient . Plus birds have
发表于:2019-02-16 / 阅读(52) / 评论(0)
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