Calcium cyanamide is poisonous and irritating to the skin.氰氨化钙是毒性物质,对皮肤有刺激性.A new process, urea - calcium cyanamide method, for producing thiourea from urea and hydrogen sulfide is proposed.利用尿素和硫化氢等原料制备硫脲, 提出了尿素 - 氰氨化钙法...
她的心因兴奋而悸动.Her heart vibrates with excitement.他突然感到眩晕，心脏开始悸动。He felt suddenly faint, and his heart began to palpitate.他要引起牧师一阵痛苦的悸动 吗 ?Would he arouse him with a throb of agony?...
...a tale of how an honourable man pursuing honourable goals was afflicted with hubris and led his nation towards catastrophe.关于一个追求崇高目标的磊落君子是如何因自高自大而将自己的国家引向灾难的故事The colorful agates are engraved for pursuing lofty spiri...
Bronka is somewhat infamous for his screeching electric guitar work.布朗卡因为弹出刺耳的电吉他声而有些让人讨厌。Our artillery opened up and we heard a fearful wailing and screeching.我们的炮弹一发，便听到可怕的哀号声和尖叫声。Monkeys were screeching in the trees.猴...
Middle East peace talks in Washington showed signs of progress yesterday...昨天在华盛顿举行的中东和谈有了取得进展的迹象。Her trainer said yesterday that she would be a strong contender for a place in Britain's Olympic squad...她的教练昨天说，她将是英...
不像泰坦那样被固定的地板上, 机器人助手能用两条有关节的腿行走.Rather than being bolted to the floor like Titan, it can walk on two articulated legs.人体骨架有关节连接的部位之所以可以动,是因为关节结合处可以旋转所致.The parts of an articulated skeleton move as a result of joint rotat...