英语词汇trace element怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	trace element
释义	trace element trace element n: (very small quantity) SC 微量元素 wēi liàng yuán sù TC 微量元素 There were trace elements of poison in her blood.
随便看	dizzying dj djakarta djellaba djibouti djinn dm dmv dmz dna dna fingerprinting dna profiling do do. d.o.a. doa doable do a number on do a runner do away with d.o.b. dob do battle dobbin doberman

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