When life gets hard and you want to give up, remember that life is full of ups and downs, and without the downs, the ups would mean nothing.当生活很艰难，你想要放弃的时候，请记住，生活充满了起起落落，如果没有低谷，那站在高处也失去了意义。He pushed everyone full speed a...
To aim or thrust ( a lance ) in a joust.(用长矛 ) 刺在格斗中瞄准或投掷 ( 长矛 )Joust for the fate of the kingdom!一场决定王国命运的战斗!Knights joust and frolic.骑士们骑马比武，嬉戏作乐。a politician who relishes a joust with reporters喜欢和记者过不去的政治家...lawyers j...
There they remained until Cyrus took Babylon ( 538 BC ).他们一直留在那里,直到居留士攻占巴比伦 ( 公元前538年 ).Acupuncture was practised in China as long ago as the third millennium BC...中国早在公元前3,000年就已开始采用针灸疗法。By c . 1200 BC, they had crossed...
Next year will be the 60th anniversary of the repeal of Prohibition.明年将是禁酒令废除60周年。the prohibition of smoking in public areas禁止在公共场所吸烟的规定Prohibition was abolished in 1933.禁酒令于1933年废除....
He had learnt how to melt invisibly into the background.他已经学会如何退居幕后." Where's the torn place? "" It's been invisibly mended. ”“ 哪儿破了? ” “ 天衣无缝,补好了.”Breeze wafts yellow leave in the air, Autumn watches, closely ...
另两个为胸腺嘧啶和胞嘧啶, 即称为嘧啶的单环结构.The other two, thymine and cytosine, are single ring structures called pyrimidines.嘌呤为嘧啶取代或嘧啶为嘌呤所取代,叫做颠换.The substitution of a purine for a pyrimidine, or vice versa is a transversion.本文研究氟脲嘧啶(5—...