围裙是做脏活时的保护物.An apron is a protection when doing dirty work.各种维生素都是保护物,能对抗某些养素缺乏症.Vitamins are protectives against certain deficiency disease.钢铁制品常常涂上一层保护物,以免生锈.Steel and iron products are often coated lest they should ru...
犯人们每日三餐靠一碗稀粥度日。The prisoners subsisted on one mug of the worst quality porridge three times a day.吃的食物非常简单,老师一天三顿喝小米稀粥.The food was very simple - teachers ate millet gruel three times a day.我们中国人早上一般喝稀粥, 喝牛奶, 吃鸡蛋或者是油条.We...
The teacher asked us to buy a pair of compasses.老师要求我们买圆规.Chinese compasses always point south!中国的罗盘总是指向南方!With straightedge and compasses, divide a segment of a into 2 parts.用直尺和圆规把线段a分成两部分....