Gradienter
n. 测斜仪, 倾料计
🗣️ 情景例句
Good evening, how may I help you sir?
晚上好，你需要帮助吗？
I'm happy when I skate.
溜冰真是快乐呀。
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。