Isocyanic acid p - chlorophenyl ester was obtained with triphosgene and p - chloroaniline as raw materials.以对氯苯胺和三光气为原料,合成对 氯苯 异氰酸酯.The p - chlorophenyl isocyanate is synthesised by carbonyl chloride and p - chloroanilin...
他为裁军运动和反对核武器扩散而奔走。He campaigned for peace and against the spread of nuclear weapons.要说服超级大国裁军是很难的.It is difficult to persuade the superpowers to disarm.大会通过了一项裁军决议.The session adopted a resolution on disarmament....
他们提着笨重的行李气喘吁吁地来到他门口。They came panting up to his door with their unwieldy baggage.房子里摆放着笨重的旧式家具。The interior of the house was furnished with heavy, old-fashioned pieces.笨重的深色桌子上嵌有颜色较浅的木头。The heavy dark table is inlaid wit...
这个组织笼罩着一种诡秘的气氛。The organization is cloaked in a shroud of secrecy.在白莎傲慢的,诡秘的笑容面前这几句话被吞下去了.The words died under the impenetrable insolence of Bertha's smile.他的嘴角慢慢露出了诡秘的微笑.A slow sly smile was creeping around the cor...
Most bats navigate by echolocation.大多数蝙蝠靠回声定位来飞行。Most bats produce echolocation sounds by contracting their larynx.大多数蝙蝠通过收缩喉咙所发出的声音实现回声定位.Some bats have specialized structures for emitting echolocation calls.一些蝙蝠已经把用于发出...
Chamber compatibility and injector durability involve the control of the combustion environment.室相容性和喷注器耐久性包括对燃烧环境的控制.Some stratification exists in the spray produced by any liquid propellant injector.由任何液体推进剂喷注器所产生的喷雾都存...