directrix什么意思

directrix的音标：directrix的英式发音音标为：[dɪ'rektrɪks]directrix的美式发音音标为：[dɪ'rektrɪks]...

exercising的音标：exercising的英式发音音标为：['eksəsaɪzɪŋ]exercising的美式发音音标为：['eksəsaɪzɪŋ]...

“家具商”的英语可以翻译为：furnisher ...

breakable的反义词有：strong, tough, sturdy。adj.breakable的反义词（易破碎的）：strong, tough, sturdy。...

Lowered sea levels exposed the shallow continental shelf beneath the Bering Sea.海平面下降使白令海底部的浅层大陆架暴露出来。It was travelling north on its annual migration to the rookeries of Bering Sea.现在正当一年一度向北迁徒到白令海的老窝去的季节.The storms that...

在佛罗里达州，农民正摆好架势，准备和城市争夺地下水的使用权。In Florida, farmers are squaring off against cities for rights to groundwater.用水量的增加导致了地下水贮备迅速枯竭.Increased consumption of water has led to rapid depletion of groundwater reserves.该理论认为,来自凝灰岩...

The number of women who become pregnant after adopting children is legion.领养小孩后怀孕的妇女比比皆是。"Very well," I said, adopting a crisp authoritative tone.“很好，”我用干脆的命令性的语气说道。We all agree in adopting the new teaching method.我们一致同意...

strictness的音标：strictness的英式发音音标为：[strɪktnəs]strictness的美式发音音标为：[strɪktnəs]...

n.向日性，背日性...

针纽虫目...

n.肝泥香肠...

在介质击穿的情况下, 出现了一种不同类型的加速.In the case of dielectric breakdown, a different type of acceleration occurs.在这种方法中, “ 自由水 ” 样品是直接在水介质中取得的.In this method " free water'samples are taken directly in the aquatic medium.对于某些神经介...

n.角( horn的名词复数 )，号，角质，（蜗牛等的）触角...

wharf的复数形式为：wharves...

halogenating的音标：...

变性弹力蛋白...