the natural elements

初中英语牛津七年级上 Module 3... ... seaweed 海草,海藻 The natural elements 自然环境 Sea water and rain water 海水和雨水 ...

... 60. use sth. to do = use sth. for doing 用某物做 1. the natural elements 自然的元素 2. The wind is blowing. 风在吹。 ...