🗣️ 情景例句
What are you doing this weekend?
你本周末打算干什么？
He emerged as leader at the age of thirty.
他在30岁时出人头地成为领袖。
It is thought that they arrived more than 30,000 years ago by crossing a land bridge from Asia to America.
他们被认为是在3万多年以前从亚洲跨越一座陆桥来到美洲的。