4周搞定2000+托福核心词
nanotech
常考释义
Others have called for a withdrawal of new nano products such as cosmetics and a temporary halt to many kinds of nanotech research.
也有人呼吁取消新的纳米产品如化妆品和暂时停止各种纳米技术研究。
来源于：剑雅10-Test4n. 骨制的
a small, expensive pocketknife with a bone handle
一把昂贵的骨柄小折刀
n. = nanotechnology
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