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单词
trace element
释义
trace element
noun
countable
UK
Word Forms
singular
trace element
plural
trace elements
DEFINITIONS
2
1
biology
a chemical element that a living thing needs in only extremely small amounts in order to grow and develop normally, for example iron or
zinc
Synonyms and related words
Chemical elements
actinium
alkali metal
aluminium
2
chemistry
a chemical element that is found in extremely small amounts in a
mineral
Synonyms and related words
Chemical elements
actinium
alkali metal
aluminium
trace element
noun
countable
US
Word Forms
singular
trace element
plural
trace elements
DEFINITIONS
2
1
biology
a chemical element that a living thing needs in only extremely small amounts in order to grow and develop normally, for example iron or
zinc
Synonyms and related words
Chemical elements
actinium
alkali metal
aluminum
2
chemistry
a chemical element that is found in extremely small amounts in a
mineral
Synonyms and related words
Chemical elements
actinium
alkali metal
aluminum
随便看
means of production
mean something/everything
mean-spirited
means test
means-tested
meant
meantime
mean well
meanwhile
meany
measles
measly
measurable
measure
measured
measureless
measurement
measure off
measure out
measure up
measure/judge etc someone/something against someone/something
measure/judge etc. someone/something against someone/something
measuring cup
measuring jug
meat
英语词典包含67175条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。
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更新时间：2026/4/19 19:45:29