Tercentesimal
以300为基数的
🗣️ 情景例句
Just to get an idea of some other possibilities.
瞧瞧其他可能的选择。
Everything must have a beginning.
凡是都有起源。
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。