n.生產(chǎn)；生殖
Sterility is some permanent factor preventing procreation. 不育是阻礙生殖的一種永久性因素。
Procreation will be an annual formality like the renewal of a ration card. 生殖的事要弄得像發(fā)配給證一樣成為一年一度的手續(xù)形式。
