The amide nitrogen of glutamine or asparagine functions more effectively than ammonia.谷酰胺或天门冬酰胺的酰胺氮作用较氨更有效.Trial and error revealed that it was best to put in the amide before the epoxide.尝试和误差法表明,最好在环氧化之前引进酰胺基.By the am...
外面车行道上传来刺耳的刹车声。There was a scream of brakes from the carriageway outside.他那露在外面的长发随风向后飞舞。His long, uncovered hair flew back in the wind.外面的空气沉滞、潮湿而闷热。The outside air was heavy and moist and sultry....
An olive-coloured tent stood within a thicket of trees.一顶橄榄色帐篷扎在树丛当中。The novel is a thicket of literary references.这本小说纯粹是由一堆文学参考书胡乱拼凑而成。A thicket makes good cover for animals to hide in.丛林是动物的良好隐蔽处....