Objective To evaluate the control effects of twelve rich - d - trans allethrin coils and allethrin coils against mosquitoes.目的测试以富右旋反式烯丙菊酯和烯丙菊酯为有效成分不同品种盘香对淡色库蚊的防治效果....
The occurrence of malodor has obvious seasonal.恶臭的发生具有明显的季节性。The typical K - F reagent has disadvantage of high poisonousness and pyridine malodor.经典K-F试剂缺点是毒性大,且具有吡啶的恶臭.The criteria for malodor evaluation usually used i...
And, consequently , Mark was the best hated and most Calumniated man of his time.也正因为如此, 马克思才在自己所处的时代最遭嫉恨.最受诽谤.And, consequently, Mark was the best hated and most calumniated man of his time.正因为这样, 所以马克思是当代最遭嫉恨和最受诬蔑的人.An...
Sophia jumps up and throws down her knitting.索菲娅跳起身来，扔下正在织的毛衣。Occasionally, he throws fancy words around.他有时会把华丽的词藻挂在嘴边。A cicada throws its slough.蝉是要蜕皮的....
雅夏的脊背上打了个冷颤.A shudder ran down Yasha's back.我的马进了水倒一点也不惊慌, 虽然打了好几阵冷颤.My horse took the water without any fuss, though he shivered a good deal.出来时, 感受着房间的低温, 我顿时打了个了冷颤.Out, feeling the cold room, I immediately called...
As soon as the rain stops , a young sparrow, almost full fledged, comes to the courtyard.雨后, 院里来了个麻雀, 刚长全了羽毛.By the age of seventeen I was a full - fledged atheist.到十七岁时,我已经完全成为一名无神论者.This is not a demand for a full - fl...