Livingston faces a four-year disqualification from athletics.利文斯顿面临禁止参加田径比赛4年的处罚。Governor William Livingston addressed the New Jersey Assembly.威廉·利文斯顿州长在新泽西州议会上发表了演说。There were other targets for Mr Livingston's sple...
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...
He gave me a little peck on the cheek.他匆匆轻吻了一下我的脸。They turn on their own kind and peck each other to death.它们开始攻击同类，拼命地互相啄着。These birds peck off all the red flowers.这些鸟啄掉了所有红色的花。...