【Dream digger】評論
Even if you have not come across such an engineer before, they have set an example of how to be good stewards of our resources, and we are the beneficiaries of what they have done for us. 農業和生物工程師開發藥物，創造更好的種植和保護我們的食物供應的方式，並與環境工程師一起，幫助創造一個更清潔、更安全的環境，讓人們在其中呼吸、種植食物並擁有安全的飲用水。即使你以前沒有遇到過這樣的工程師，