The moon waxes till it becomes full, and then wanes.月亮渐盈,直到正圆, 然后消亏.The moon waxes and wanes every month.月亮每个月都有圆缺.Don't be sad. The moon will become full after it wanes.不要伤感. 月缺以后会有满月....
我从十四岁时起就不得不照料自己.I've had to fend for myself since I was 14.一队学生鱼贯而入, 共有十四五个人.A group of students filed in, fourteen or fifteen all told.二十四 小时为一日.Twenty - four hours make a day....
The folate concentration increased significantly while the homocysteine concentration decreased significantly.另含富马酸亚铁及葡萄糖酸亚铁,容易被人体吸收.They concluded that folic acid lowers the concentrations homocysteine in the blood.他们的结...
除草剪刀；专门用于修剪缝隙角落里的青草。Grass shears are specially made to trim grass growing in awkward places.他们把他的除草机全都推到外面丢掉了。They trundled his mowers outside and dumped them.她教我除草。She taught me to do the weeding....
A curved-inwards wall has a convergent effect on wall spray.凹型壁面对碰壁喷雾有聚集作用。We shall study a very particular kind of sequences, called convergent sequences.我们将研究称为收敛数列的很特别的一类数列.The finite - difference computation must be ...