Colubridae
[医] 游蛇科, 黄额蛇科
🗣️ 情景例句
What are you doing this weekend?
你本周末打算干什么？
Thanks a lot.
多谢。
From 1830 onwards in the USA and from about 1870 in Canada, settlers began to move westwards and to take possession of the plains as their own.
美国自1830年起，加拿大从1870年左右起，殖民者开始向西迁移，并把平原据为己有。