旋转轴的英文：axis of rotationrevolution axisrevolving shaftrevolving spindlerotation axissymmetry axis参考例句：The centre of gravity is displaced by a weight below the rotational axis.调节旋转轴之 http://www.24en.com/p/260842.html
我的逆反心理 My Negative Mentality:本文由作文地带整理分享，希望各位网友喜欢。
My negative mentality is very serious these days. I like to go against my mother’s will. For example, my mother asks me to do homework first when I go ... http://www.joozone.com/gaokao/803544.html
保护动物Protecting the Animal:本文由作文地带整理分享，希望各位网友喜欢。
As the development of economy, some people make the high profit at the cost of damaging the balance of the environment, now the weather has change, it become... http://www.joozone.com/gaokao/803546.html