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convergent evolution是什么意思？

convergent evolution

趋同进化

相关词汇
convergent evolution

convergent

adj. 会合的，逐渐减小的，趋同的，（思维）幅合的；

evolution

n. 演变，进化，发展；
热门例句
He acknowledged publicly that he might have made a mistake.
他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时，可以向商业票据的背书人要求支付的权力。
相关例句
The girl twined her arms about her mother’s neck.
女孩搂住母亲的脖子。
His eyes were half closing in weariness.
他疲倦得眼睛都快睜不开了。
He was really touched beyond words.
他确实感动得无法形容。
His cheerful joke made us forget our weariness.
他讲的令人愉快的笑话使我们忘记了疲劳。
Some of her poems are touched with real genius.
她写的一些诗确实透着股才气。
The new test provides a yardstick against which to measure children’s learning.
新的测试提供了一个标准去检测儿童的学习。
a touching domestic scene
动人的家庭画面
The urgency of the situation requires that we should make an immediate decision.
局势紧迫, 需要我们立即做出决定。
He knew how the traffic congested at the junction of Seventh Avenue and Forty-second Street.
他知道在第7街和第42街交叉处交通是多么拥挤。
a touching scene
感人的情景
His actions since that morning have been eccentric and unpredictable.
自从那天早晨,他的行动一直是反常而不可捉摸。
I think I’ll commingle some of these blue flowers with the pink ones.
我想把一些蓝花和粉红花搀在一起。
It was faced with the greatest social upheaval since World War Ⅱ.
它面临第二次世界大战以来最大的社会动乱。
variability in crop yields
庄稼产量的浮动性