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...convection currents.是什么意思？

...convection currents.

对流气流

相关词汇
convection currents

convection

n. 传送，对流，运流；

currents

n. 电流( current的名词复数 )，水流，流速；
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 director wanted Olivia de Havilland, then under contract to Warner Brothers.
导演想要当时签约于华纳兄弟娱乐公司旗下的奥利维娅·德哈维兰出演。
That is in stark contrast to the situation during the 1970 oil crisis.
那和1970年石油危机时的情形完全不同。
...a writing contest.
写作比赛
In contrast, the lives of girls in well-to-do families were often very sheltered...
相反，生活在富裕家庭的女孩子通常都备受呵护。
The score calls for a contralto...
这次的配乐需要一位女低音歌手。
...measures to control illegal mining.
控制非法采矿的措施
Jo was advised to learn to control herself...
乔得到的建议是要学会控制自己的情绪。
Critics question whether price controls would do any good...
评论家们质疑物价管制措施是否会有用。
...a television with brighter colours, better contrast, and digital sound.
颜色更为鲜艳、图像对比度更高、具备数字音响效果的电视
The school has been in continual use since 1883...
自1883年以来，该校从未停办过。
But as the investigation continued, the plot began to thicken...
但是随着调查的继续深入，情况开始变得复杂起来。
...the texture and colour of the skin, the contours of the body...
皮肤的肌理和颜色，身体的轮廓
...the lush fairways and contoured greens of the course...
球场上葱翠平坦的球道和起伏的绿地
The three sons also contribute to the family business...
这3个儿子也为家族事业做出了贡献。