“摩擦力”的英语？

活塞上涂了一层石墨以减小摩擦力。The pistons are graphite-coated to reduce friction.润滑油能减小摩擦力.Oil can reduce friction.这种自行车的设计成功地减少了风的阻力和摩擦力。The design of the bicycle has managed to reduce the effects of wind resistance and drag....

Stuart的音标：Stuart的英式发音音标为：[stjuət]Stuart的美式发音音标为：['stuət, 'stju-]...

Lichen is a form in which green or bluegreen algae and a fungus live together symbiotically.地衣是一种绿藻或蓝藻与一种真菌共生的形式.Holdfast ( hapteron ) In algae , the cell or organ that attaches the plant to the substrate.固着器:是藻类植物具有的一种起...

coating的音标：coating的英式发音音标为：['kəʊtɪŋ]coating的美式发音音标为：['koʊtɪŋ]...

" Certainly it's not caused by bad parenting,'says Vinogradov.“ 精神分裂症肯定不是由不良的父母教育引起的.”维诺格拉多夫说....parenting classes.育儿课程Parenting is not fully valued by society.养儿育女没有得到社会的充分重视。Parenting can be a stressful busin...

“伊诺克”的英语可以翻译为：Enoch [男子名] [英格兰人姓氏] &L[Enock]的变体 ，Enock [男子名] [英格兰人姓氏] 来源于中世纪希伯来语教名，含义是“追随者；新加人者” ...

贼鸥是飞行速度很快的黑色鸟类，尾部长而分叉。Jaegers are swift black birds with long forked tails.管理员把我们带到斜坡上的一处有利位置，我们从那里看到了下面岩石上的银鸥。The warden took us to a vantage point on the slopes where we saw herring gulls on the rocks below.两点三点白鸥划破了渐变...

v.立约，立誓( covenant的过去分词 )...

danger的反义词有：safety, security, safeguard, safety, secure。n.danger的反义词（危险;危险）：safety, security, safeguard。danger的反义词（其他释义）：safety, secure。...

The entrance hall is littered with toys and wellington boots.门厅里到处乱扔着玩具和雨靴。I'm sad about my toys getting burned in the fire.我的玩具在这场火中付之一炬，这令我很难过。Toddlers are notoriously antisocial when it comes to sharing toys.众所周知...

“伊甸园”的拼音为：yī diàn yuán...

她们一起刻画了这段痛苦心碎的又如史诗般的浪漫史.Together, they vividly acted out this agonizing and heartbreaking epic love tale.吉米,谈谈你的浪漫史 吧 !Can you tell me something about your romance, Jimmy?和我们谈谈你的浪漫史 吧 .I wonder if you can share your roma...

The surface itself is an equipotential.表面本身是一等位面.Lines within the field along which the voltage is constant are called equipotential.在电场中电压根等的那些曲线称为等位线.At each crossing of an equipotential and a field line, the two are p...

Ginette and I gathered our things together.我和吉内特把东西收拢好。...

Paper products finishing technology end of the day : is by analogy and abs v classing class.纸制品整饰技术说到底: 贵在举一反三和融类旁通.The teacher drew an analogy between the human heart and a pump.老师打了个比喻，把人的心脏比作水泵。This classification is ...

Everyone wanted to bowl, hence everyone wanted to open a bowling alley.大家都想玩保龄球，因此大家都想开保龄球馆。I can't see the point of bowling a ball like that.我看不出那样投球用意何在。Middlesex defeated Derbyshire by bowling out the opposition....