Isoquant
等量曲线
🗣️ 情景例句
who spent the last five years
用过去五年的时间
I get out of bed about 7 o'clock every morning.
我大约每天早上7点钟起床。
I think we should continue walking as long as we can see where we're going. I said.
“我想只要我们能看见我们朝哪儿走，我们就要继续走下去，”我说，