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- The four strands of our immobile junction can come together and form the maximum amount of conventional DNA double helices only by forming a branched molecule. 接点无法移动的这四股DNA，只有在形成分岔分子之后，才能共同形成最大量的传统DNA双股螺旋。
- Streaking: Lightening from two to four strands at the hairline. 条纹:在发际线上有2-4条浅色头发.
- four strand double crossing over 四线双交换
- four strand continuous casting machine 四线连铸机
- Four strands of activity were originally identified by the UK side: Education, Environment, Science Technology, and Trade Investment. 工作组涉及教育、环境、科学及技术和贸易及投资四个领域的内容,最初是由英国方面确定的。
- It is clear to all of us that two plus two is four. 二加二等于四对我们大家都很清楚。
- He wove four plots together into a novel. 他把四条情节编成一部小说。
- We have tea at four o'clock in the afternoon. 我们在下午四点钟喝茶。
- The town boasts four swimming pools. 这座城镇以拥有四个游泳池而自豪。
- Our football team won by four goals to nil. 我们的足球队以四比零取胜。
- He lay back and hit the ball for four. 他向后弯身击中球，得了4分。
- I was clean broke in less than four days. 不到四天我就一个钱也没有了。
- I'll look out for you at about four. 我4点钟左右找你。
- He showed us four case studies of disturbed girls. 他给我们看了4位精神失常姑娘的病历。
- My house is four miles distance from the sea. 我家离海四英里。
- Our team beat them hollow by four clear goals. 我们队以净胜4分彻底击败了他们。
- The leap year comes around once in four years. 每四年有一个闰年。
- The soldiers counted off from the left by four. 士兵们从左起四个一组大声报数。
- He wooed four girls before finally marrying one. 他在结婚之前曾向四个姑娘求过婚。
- Four avenues radiate from the square. 四条林荫大道从那广场向四方延伸。
