| 释义 |
chemical element ˌkemɪklˈelɪmənt 短语⁶⁸⁶⁵⁶
基本英英近义反义例句例句
化学元素
化学
Noun:
any of the more than 100 known substances of which 92 occur naturally that cannot be separated into simpler substances and that singly or in combination constitute all matter近义词 element要素
We must include thischemical elementin the group.我们必须使组里包括这种化学元素。
Hydrogen is the lightestchemical elementof all.氢是所有化学元素中最轻的。 But Japan's Nuclear and Industrial Safety Agency NISA insisted the amounts of the cancer-causing chemical element were not a danger to the public.
但日本原子能保安院 NISA坚持这种致癌物质的浓度尚未对公众造成危害. yeeyan |