The pertinent siloxane compounds contain two silicon hydride bonds.所说的硅氧烷组合物中,含有两类硅氧键.Forming conditions and physical and chemical characteristics of tin hydride are discussed.论述了锡氢化物的形成条件和物理化学特征.What we've done is ...
In this economic climate new ideas were few and far between.在这种经济环境下，新想法极为罕见。Successful women politicians are few and far between.成功的女政治家凤毛麟角。People who work as hard as you are few and far between!像你这样努力工作的人真是太少了!...
Talismans are a form of contagious magic, carried on the person.护身符就像是一种流行的魔法, 携带在人的身上.We should welcome the Tiger and the Dragon as talismans.我们应当把这一龙一虎当作吉祥物欢迎.Cowper: Books are not seldom talismans and spells.库柏: 书籍经常是...