单词学习
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mercenaria mercenaria的意思,短语,例句,发音,词形变化
参考词典中mercenaria mercenaria的常规释义： 基本释义马克氏属英英解释名词解释：an edible American clam; the heavy shells were used as money by some American Indians [同] hard clam, hard-shell clam, mercenaria mercenaria, quahaug, quahog, round clam... -
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potassium dihydrogen phosphate的意思,短语,例句,发音,词形变化
参考词典中potassium dihydrogen phosphate的常规释义： 基本释义磷酸二氢钾 ... -
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slide valve的意思,短语,例句,发音,词形变化
参考词典中slide valve的常规释义： 基本释义滑阀，闸板阀，分油活门英英解释 1个名词解释valve that opens and closes a passageway by sliding over a port点击查看…… ... -
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directional microphone的意思,短语,例句,发音,词形变化
参考词典中directional microphone的常规释义： 基本释义指向传声器，定向传声器英英解释 1个名词解释a microphone that is designed to receive sound from a particular direction点击查看…… ... -