I've been out of touch with him for years.我与他失去联络已有多年.We've been out of touch with Roger for years now.我们至今已有数年未与罗杰来往了.He is out of touch with reality.他脱离现实....
Never keep company with dishonest persons.不要与不诚实的人打交道.She stayed at home to keep company with her younger sister.她留在家里陪伴她妹妹.Who keep company with the wolf will learn to howl.与狼结交,须学狼嗥....
General targets have hydrogen peroxide, sodium hypochlorite, potassium permanganate, and so on.一般的氧化剂有过氧化氢 、 次氯酸钠 、 高锰酸钾等.Hydrogen is a corlourless, odourless gas.氢气是一种无色 、 无味的气体.Producing the hydrogen fuel uses the harm...
This course features a set of downloadable lecture notes.本课程的特点是有一套可下载的课堂讲稿.Downloadable lecture notes and sample exams are available for this course.本课程备课程讲稿及测验例题供下载.Denotes a link to a downloadable file on your Web sit...