On the one hand, if the body doesn't have enough cholesterol, we would not be able to survive. On the other hand, if the body has too much cholesterol, the excess begins to line the arteries.一方面，如果体内没有足够的胆固醇，我们就无法存活...
Marconi tied several antennas to kites.马可尼在风筝上系了几根天线.Painting, drawing, flying kites, reading, singing and riding bikes.画, 画, 放风筝, 阅读, 唱歌和骑自行车.As the flimsy constructs soared, the men paid out twine until the kites reach...
The declaration was drafted by a committee chaired by Dr Robert Song.宣言由罗伯特·桑博士领导的委员会起草。He chaired the meeting in his proper person.他亲自主持这个会议.The winning team chaired their captain off the field.获胜的队扛着队长走出场地....
Primers may be any of the common rigid film formers.预涂层可以是任何常用的刚性成膜剂.Formers Farmers plant these barriers around their fields . Windbreaks fields.农民们在他们的土地周围种上防护林.Younger children live in family style houses. 6 th Former...
The exhibition is timely, since "self-taught" art is catching on in a big way.展会召开得非常及时，因为“自修”艺术正在广泛流行。They placed artistic handcrafts on exhibition last month.他们上个月展出了手工艺品.The venue for the show is Birmingham's Nat...
探矿人员在这里发现了方解石 、 石英、石棉等矿藏.The prospectors have discovered such minerals as calcite, quartz and asbestos here.那些山里蕴藏着大量石英.There is a great deal quartz in those mountains.属于这类物质的有云母 、 瓷器 、 石英 、 玻璃 、 木材等等.To this class of su...