1、
The pad used for computer mouse is made of NR, reproducing rubber and some additives.
以天然橡胶NR 、 再生胶和几种添加剂为原料,制备计算机用鼠标垫.
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2、
In some parts of the world, humans are reproducing very rapidly, causing overpopulation.
在世界上的一些地区, 人口繁衍过快, 以至引起了人口过剩.
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3、
Puberty: In human physiology, the period of first becoming capable of reproducing sexually.
青春期: 人类生理学上指首先转变为能够有性生殖的时期.
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