Methane and propane are alkanes.甲烷和丙烷是烷烃。The general uses of alkanes may be divided into three categories.烷的一般用途可分为三个方面.The straight - chain alkanes exacerbate the problem of engine " knock ".直链烷烃使机器的 “ 爆震 ” 问题更加严重....
Alkanes are resistant to attack by oxidizing agents generally.烷烃一般对于氧化剂的作用是稳定的.The general uses of alkanes may be divided into three categories.烷的一般用途可分为三个方面.The straight - chain alkanes exacerbate the problem of engine ...
你像一株成熟的荔枝树, 挂满硕果累累.You, Like a ripe litchi, have branches full of borne rich fruits.荔枝树各个冻害级别之间温差随着冻害级别的提高而缩小.Difference of temperature between every freeze injury grade of lichi turned to disappear when grade increased....
It is thought that they'll be as popular as the Backstreet Boys in the near future.人们认为在不久的将来他们会像“后街男孩”一样受欢迎.Snowball the cockatoo just loves Backstreet Boys.风头鹦鹉[雪球]酷爱[新好男孩].Newspaper circulations doubled, backstre...
价格竞争这个概念对于许多学校都很陌生。The very notion of price competition is foreign to many schools.在陌生的城镇里只身一人，我感到不知所措、孤单寂寞。I feel lost and lonely in a strange town alone.他是认路的行家，即使在陌生的环境中也是如此。He was an expert at finding his way, even i...