The weather grew harsh, chilly and unpredictable.天气变得恶劣、寒冷且变化莫测。He makes unpredictable, arbitrary decisions.他做的决定难以预料, 主观武断.He is unpredictable, weeping one moment, laughing the next.他喜怒无常，一会儿哭，一会儿笑。Take waterproof cloth...
He is unpredictable, weeping one moment, laughing the next.他喜怒无常，一会儿哭，一会儿笑。No-one knows where they stand with him; he is utterly unpredictable.谁也不知道他怎样看待他们；他是个完全不可捉摸的人。She was unpredictable, explosive, impulsive and easi...
We have already met one series of specific enol equivalents.我们已经遇到过一系列有特效的烯醇等当物.This complex reaction is characterized by a keto - enol tautomerism equilibrium and ester exchange reaction.此螯合反应是由酮一烯醇互变异构平衡过程和酯交换反应组成.Keto...
目的确定家蝇幼虫匀浆液的抗病毒作用.Objective To define the antiviral activity of Musca domestica larva homogenate.方法: 采用点滴法测定家蝇对杀虫剂的半数致死量.Methods: We measure the LD of flies on insecticides standard drop way.目的确定家蝇幼虫血淋巴的抗病毒作用.To define t...
由原颗粒组成的团聚体要能保持充分的水分和养分.The aggregates, composed of the primary particles, retain sufficient water and nutrients.团聚体的形式是土壤肥沃的首要条件.The formation of aggregates is of prime importance to fertility.包括土壤的含水量 、 容重 、 土壤孔隙度 、 土壤水...
The proprietor is trying to improve the land.该业主正试图提高这块地的价值。The proprietor was an old acquaintance of his...业主是他的一位旧相识。" What a fish it was, " the proprietor said.“ 多大的鱼呀, " 饭店老板说." Well, you can suit yourself, Mr. Wheel...