The triple bond does not usually react so vigorously at a carbon-carbon double bond . 三键在反应时一般不象烯烃中的碳-碳双键那样剧烈。
we wish to make triples (x, y, z)from the integers｛1, 2, …, (n＋1)｝. 我们要从整数集1、2、…（n1）中取三数组（x，y，z）。
In 1954 it was decided by international agreement to use the triple point of water as the reference point . 1954年经国际协议决定采用水的三相点作为参考点。
Yet this is the thirty-fourth month since lord baldwin decided that the air force must be tripled . 可是，自鲍得温勋爵作出决定把空军扩充三倍到现在，已经是第三十四个月了。
The glass was wrapped in a triple thickness of paper towel with a rubber band around to hold the paper tight against the glass and keep the ice from melting . 酒杯用橡皮筋紧紧绑着三层纸巾，怕冰化了。
That is, he had lain down where the ground fell sharply away below the triple belt of wire and shouted up at the rock and earth parapet . 那是说，他伏在三重铁丝网下陡峭地朝下削的地方，抬头朝着石块和土坯垒成的胸墙大声呼喊。
In the case of cotton, traditionally china's second most important crop (after cereals), harvests almost tripled between 1978 and 1984 . 棉花是中国第二重要的传统作物（排在谷类植物之后），1978-1984年间的产量几乎增长了一倍。
By 1980-82, sri lanka's share of world markets had fallen to 19 percent while kenya's share had more than tripled to 9 percent . 截止1980-1982年，斯里兰卡在世界市场上的份额已下降到19，而肯尼亚的份额已增加三倍以上，达到9。
And sometimes patients themselves mess up by doubling or tripling a prescribed dose to get-as they explain later in the ambulance-a quicker effect . 有的时候病人为了快点见效--这是他们被送上救护车后自己说的--超过处方规定量的一倍、两倍地服药，结果自己把事情搞糟了。
They just arrest this woman for triple homicide 警方刚逮捕了一名连杀三人的女人
