Neolith
n. 新石器时代的石器
🗣️ 情景例句
That's six steaks.
六份牛排。
Can I be sure of a profit if I invest?
我要是投资，肯定能获利吗？
I'll have to ring you back, as I need to have a look at my diary and I haven't got it with me.
我得（等会儿）再给你回电话，因为我要先看看我的日记，而我没有把它带在身边。