China was the first country in the world to synthesize crystalline insulin, a bioactive protein.中国在世界上最早用人工方法合成一种有生物活力的蛋白质--结晶胰岛素.There are many amino acids that the body cannot synthesize itself.有许多种氨基酸人体自身不能合成。Etioplas...
The alkalizing bagasse reacted with carbon disulfide to synthesize bagasse cellulose xanthate.蔗渣纤维素经碱化后,与二硫化碳反应,得蔗渣纤维素黄原酸酯(CX).Objective To synthesize raloxifene hydrochloride, which is a selective estrogen receptor modu...
“ 啊, "嘉莉说, 她的声音响了起来,变成了一声柔弱的呼喊." Oh,'said Carrie, her voice rising into a weak cry.因为每一根丝都非常纤细, 蛛丝似乎十分柔弱.Because each strand is so fine, spider silk seems very weak.就身体上说, 她肤色苍白, 身体柔弱,并不出色.Physically, she was of a p...
不能退票。Tickets are not refundable.可以在票房退票.Tickets may be turned in at the box office.他开了一张支票给他的母亲, 但是支票被退票了.He wrote his mother a check, but the check was bounced....
城堡有一条很深的流入湖里的护城河.The castle had a deep moat which emptied into the lake.这座中世纪的城市周围建有城墙和护城河.The medieval town a high wall and a deep moat.我们城市周围的护城河最近被严重污染了.Moat The moat around our city has been seriously polluted recent...