Orthoplatform
正地台
🗣️ 情景例句
How long will it take for my mail to reach its destination?
我的信件到达目的地要多久？
What is done by night appears by day.
若要人不知，除非己莫为。
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。