No rails or headboards that can trap a small head.不要装设可能夹住小脑袋的栏杆或床头板.The train left the rails but somehow forced its way back onto the line.火车脱轨了，但总算设法回到了原来的轨道上。The frames are secured by horizontal rails to the back wall...
He's studying zoology at university.他正在大学念动物学.She devoted her lifetime to the study of zoology.她以毕生精力从事动物学研究.Zoology is also a very important subject to the students.对学生来说,动物学也是很重要的....
Franklin joined her and the children whenever his crowded calendar allowed...只要能从百忙之中抽出空,富兰克林就会陪在妻儿身边。According to the calendar my birthday falls on a Sunday this year.按照今年的日历, 我的生日恰好是个星期日。When Sweden moved to the Gregor...