Afwillite
柱硅钙石, 水合硅酸钙
🗣️ 情景例句
Our plans have changed.
我们的计划已经改变。
How much does a round trip ticket to go there cost?
一张去那边的往返票要多少钱？
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。