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- 碳的化合价是四价.Carbon has a valence of four.
- 碳的化合价是4价。Carbon has a valency of 4.
- 碳的化合价是四价。Carbon has a valence of four.
- 氯的化合价是1，氧是2，氮是3，碳是4。The valence of chlorine is one,of oxygen two,of nitrogen three,and of carbon four.
- 这道菜至少是四到五个人吃的，我想这对两个人会太多了。This course is for a minimum of 4 to 5 persons and I think the portions will be too large for two.
- 看来甲烷中含有的氢是乙烯中的两倍,而碳的含量都是1份。It seemed that in methane there was twice as much hydrogen to 1 part of carbon as there was in ethylene.
- 化合物中的一种元素的化合价,必须等于另一种元素的化合价。The combining powerof one element in the compound must equal the combining power of the other element.
- 一夸脱是两品脱，而一加仑是四夸脱。There are two pints in a quart and four quarts in a gallon.
- 三价的化合价为3的Having valence3.
- "... 我要用利剑一样的话刺痛她的心，但决不是真用利剑 ... ""... I will speak daggers to her, but use none ... " (Shakespeare, Hamlet)
- 钛的与钛有关的或含钛的，尤其是四价钛Relating to or containing titanium, especially with valence4.
- "别跟我来那一套！你知道他为什么做那件事。是因为她太罗嗦。""Don't give me that! You know why he did it. She nagged him."
- 伴随着更年期的内分泌变化使很多妇女的情绪受到影响。A lot of women are affected emotionally by the hormonal changes that accompany the change of life.
- 化合物中一种元素的化合价必须等于另一元素的化合价。The combining power of one element in the compound must be equal to the combining power of the other element.
- 碳的化学符号[化] C
- "可是对你来说这是一桩大事啊。" "什么大事不大事的！我担心什么？""But it's a serious matter for you." "Serious my foot, why should I worry?"
- 四价镍Tetravalent nickel species
- 增碳的水煤气carburetted water gas
- 多价的具有一个以上的化合价的Having more than one valence.
- 大象是四足动物。An elephant is a quadruped.
