1.artificial adj. 人造的；仿造的；虚伪的；非原产地的；武断的

The city is dotted with small lakes, natural and artificial.
这座城市满是天然和人造的小湖泊;+N6HslXVcpc&u8#lQrI。

2.sapling n. 树苗；年轻人

The sapling has grown into a big tree after five years.
五年过去了，小树苗长成了一颗大树@9H24(wyxtwq;C(pXL2。

3.fertilizer n. [肥料] 肥料；受精媒介物；促进发展者

The tractor hauled the fertilizer away.
拖拉机把肥料拉走了]dVmlFH]*7@PepQie4Q。

4.landfill n. 垃圾填埋地；垃圾堆

The rubbish in modern landfills does not rot.
现代垃圾填埋场里的垃圾不会腐烂w4_tF~TisV9j(%Fa。

42d0%@oazGoCdOF)6b&sj#[sh^oWUu*HW7qMy_pyQ 来源:可可英语 http://www.kekenet.com/broadcast/201312/270067.shtml