Mother and son lost contact when Nicholas was in his early twenties.尼古拉斯20岁出头的时候母子就失去了联系。It was paid to her in greenbacks -- three twenties, six tens, and six fives.这份薪水是用绿色钞票付给她的 -- 三张20块, 六张10块, 还有六张5块.It was written i...
My late teens and early twenties were really rough years.我二十岁前后那几年过得真苦啊。It was written in the Twenties, but it still really stands out.它写于20世纪20年代，但直到今天仍然备受瞩目。Mozart clearly enjoyed good health throughout his twenties an...
土壤的酸性可以通过在它上面撒石灰来中和.Acidity in soil can be neutralized by spreading lime on it.土壤里的石灰对某些植物有害.Lime in the soil is detrimental to some plants.许多土壤中都含有石灰.Lime exists in many soils....
格洛弗认为史密斯说他坏话，也许是出于嫉妒。Glover thinks that Smith did him down, perhaps out of envy.她似乎觉得说别人的坏话很难。It seemed she found it difficult to speak ill of anyone.我犹豫了，不想说同事的坏话。I hesitated, not wanting to tell tales about my colleagu...
在二维的可视化及绘图应用中, 垂直和水平滚动非常普遍.In 2 D visualization and drawing applications, vertical and horizontal scrolling are common.在这个桌上, 可以演示二 维 的弹性和非弹性碰撞.Two - dimensional collisions, both elastic and inelastic, may be demonstrate...