| 单词 |
fluorine |
| 释义 |
flu·o·rine /ˈflʊəriːn $ ˈflʊr-/ noun [uncountable] HCCa chemical substance that is usually in the form of a poisonous pale yellow gas. It is a chemical element: symbol F 氟〔一种化学元素，符号为Ｆ〕Examples from the Corpusfluorine• Like the rate of decrease in nitrogen, the rates of increase in fluorine and uranium depend strongly on local factors.• Thus, the content of fluorine and uranium in buried bone gradually increases, and can be measured in the laboratory.• Yet another uses fluorine as the reactant.Origin fluorine (1800-1900) Modern Latin fluor; → FLUORESCENTflu·o·rine nounChineseSyllable in substance chemical that Corpus is a usually |
| 随便看 |
- irongrey
- iron grey
- ironic
- ironical
- ironically
- ironies
- ironing
- ironing
- ironing board
- ironing-board
- ironingboard
- ironing board
- ironing boards
- iron lady
- iron-lady
- ironlady
- Iron Lady, the
- iron lung
- iron-lung
- ironlung
- ironmonger
- ironmongers
- ironmonger's
- ironmongery
- iron out
- SPS
- Flying carpet
- Over the side
- Language system
- Downward-sloping
- Punched card
- Optimizer
- Savoriness
- Multiple personality
- To do the shopping
- 一友与人争而历指其短,予曰:“于十分中,君有一分不是否?”友曰:“我难说没一二分。”予曰:“且将这一二分都没了,才好责人。”
- 一友人沉雅从容,若温而不理者。随身急用之物,座客失备者三人,此友取之袖中,皆足以应之。或难以数物,呼左右取之,携中黎然在也。余叹服曰:“君不穷于所用哉!”曰:我无以用为也,此第二者,偶备其万一耳。备之心,慎之之心也,慎在备先。凡所以需吾备者,吾已先图,无赖于备,故自有备以来,吾无万一,故备常余而不用。或曰:是无用备矣。曰:无万一而犹备,此吾之所以为慎也。若恃备而不慎,则备也者,长吾之怠者也,久之必
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