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a retrograde step是什么意思？

a retrograde step

后退的一步

相关词汇
retrograde step

retrograde

adj. 向后的，退化的，恶化的，次序颠倒的；vi. 逆行，倒退，退步；vt. 使倒退；vi. 倒退地，向后地；

step

n. 步，脚步，步骤，手段，步调，级别；vt.& vi. 举步，行走，踩，踏上，跨入，轻快地走；vi. 踏，踩，走；vt. 跳舞，迈步，使成阶梯状；
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
He felt grown-up, puffed up with self-importance.
他觉得长大了,便自以为了不起。
You must be on your guard against the dog.
你一定要防备那只狗。
compound ovary
复(合)子房
This is a very up-to-date radio.
这是一个很新式的收音机。
We waved until the car was out of sight.
我们一直在挥手道别, 直到汽车看不见为止。
Joan is turning into quite a skilled musician.
琼正在变成一个技艺精湛的音乐家。
The students took turns to clean up their classroom.
学生们轮流打扫教室。
the protoplasm of a cell nucleus.
细胞的细胞质
We must put a new bridge across the river to take the increased traffic.
为适应增长了的交通量, 我们必须在河上再架一座新桥。
Musk is produced naturally by the musk deer and is used to attract other deer sexually.
麝香是由雄麝天然产生用以吸引雌麝的。
Running through the forest in the dark, the boys were greatly afraid.
孩子们在黑暗中穿过树林, 心里非常害怕。
Why did he do that experiment once again?
为什么他再次做那个实验?
I'll pay for her, and you'll pay yourself.
我替她付账, 你自己付款。
The policeman took possession of the thief's bag.
警察夺过了小偷的包。