lead-free
英
[ˌled'friː]
美
[ˌled'friː]
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Adjective:
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(of gasoline) not containing tetraethyl lead;
"lead-free gasoline"
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用作形容词 (adj.)
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Copper has less resistance than lead.
铜的电阻比铅的小。
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Zinc can also help the body fight lead absorbance.
锌也可以帮助体内减少对铅的吸收。
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以上内容独家创作,受著作权保护,侵权必究
海词词典,十七年品牌