Primofilices
原始蕨亚纲
🗣️ 情景例句
You have been working on this for some time, Richard.
你从事这工作已有一段时间了， Richard。
More of our worries come from within than from without.
烦恼发乎内者多于发乎外。
I don't think this is a standard size.
我看这不是标准尺寸吧？