Phyllidiidae
叶海牛科
🗣️ 情景例句
but there must be a way
但总该有一个办法
What choice do I have?
我有什么选择吗？
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。