植物驯化

desalination plants───脱盐工厂

desalination plant───海水淡化装置

conservation of mass───[物]质量守恒；质量守恒定律

conservation of parity───宇称守恒

declaration of loves───爱的宣言

declaration of wars───宣战

domestic servants───家奴

domestication───n.驯养；教化

expectation of lives───平均寿命；预期寿命（等于lifeexpectancy）

The characteristic feature of the period of barbarism is the domestication and breeding of animals and the cultivation of plants.───野蛮时代的特有的标志，是动物的驯养、繁殖和植物的种植。

area archaeologists call the "hilly flanks" around the Euphrates, Tigris and Jordan valleys in south-west Asia had especially dense concentrations of plants and animals fit for domestication.───幼发拉底河，底格里斯河，还有西南亚的约旦河谷附近的那些被考古学家称作丘陵的地方，那里聚集了大量的可以供人类蓄养的动植物。

Through the domestication of plants and animals intelligence has remade the living environment.───通过对植物培养和动物的驯化，智力已经重新改造了生活环境。

The first evidence for domestication of plants and animals come from temporary campsites and are first seen from 11, 000 years ago onwards.───第一证据为植物的驯化和动物来自临时露营地和是第一被看见从11,000年前往前。