他仍旧仰卧着，望着天上的云彩。He continued to lie on his back and look at clouds.天上的颜色都退去了。All colour had faded from the sky.在晴朗的夏夜可以看到天上的星云.You can see nebulae in the clear summer sky....
" Dell,'said he, " let's put our Christmas presents away and keep'em a while.“ 德尔, ” 他说, “ 让我们把圣诞礼物放在一边,保存一会儿吧.This hard , melancholy dell, abandoned by the summer light, made her feel her loneliness.这阴森可怕...
Whenever a plant responds to applied , i . e . , unbalanced, applications of auxin, ethylene is produced.当一植物对不平衡地施用生长素起反应时, 总是产生乙烯.Apical buds produce a growth hormone called auxin.顶芽分泌出叫做生长素的生长类激素.These bars buds thems...