Mathematicasis
数学术
🗣️ 情景例句
I'm sure you are right.
当然你是对的。
I'll give you a hand.
我来帮助你。
The nomads who made these markings lived by hunting and fishing during the last Ice Age which began about 35,000 B.C.and ended about 10,000 B.C.
这些痕迹是游牧人留下的，他们生活在从公元前约35，000年到公元前10，000年的冰川期的末期，以狩猎、捕鱼为生。