He showed great bravery in face of danger.在危机中他表现很勇敢.They stand erect and unbending in face of North China's violent wind and snow.这是虽在北方的风雪的压迫下却保持着倔强挺立的一种树!They had to employ the English language in face of the jea...
There are just four kinds: adenine, thymine, guanine and cytosine.只有4种: 腺嘌呤 、 胸腺嘧啶 、 鸟嘌呤和胞核嘧啶.The DNA base composition is 32.6 - 33.1 mol % guanine plus cytosine.DNA(脱氧核糖核酸)的G+C 摩尔百分含量为32.6—33.1.It is a layer of guanine ...
他在建筑工地上当起了小工。He became a hod carrier on a building site.傍晚时分兜售各种花哨小工艺品的小贩常把街道阻塞.Toward evening peddlers selling various fancy goods would fill up the street.小摊儿上有很多小工艺品卖,价格不贵.There are many small and cheap articles in th...
后来在他迷迷糊糊 、 似睡非睡的状态中,从外面传来一阵非常凄惨的猫儿叫春的声音.And then there came, mingling with his half - formed dreams , a most melancholy caterwauling.他家的猫一到夜里就叫春, 真烦人.His cat calls out all night, which is rather disturbing.宋代, 桃符由桃木板改为纸张...