Agroecosystems
(agroecosystem 的复数) n.农业生态系统
🗣️ 情景例句
A diamond of this size is unique.
这种尺寸的钻石是独一无二的。
I'll keep my eyes on.
我会留意的。
As it is, they have been drilling for sixteen hours and they still have a long way to go.
实际情况是，他们已连续钻了16个小时了，但离钻透还早着呢。