Dipneumonomorphae
双肺亚目
🗣️ 情景例句
I promise I won't leave early.
我发誓我再也不会早走了。
Leaves are falling.
叶子落了。
They were in fashion last year and the year before last.But they're not in fashion this year.
这鞋在去年和前年时兴，而今年已不流行了。