Protolithic
a. 原始石器時代的
??? 情景例句
There's nothing you can do about it.
你對此無能為力。
Would you take this coat to the cleaner's?
你可以把這件外套送到洗衣店嗎？
Thank you, everyone. Please come in, said Ann.
“感謝你們大家。請進來”安說。