Palaeoconcha
古壳目
🗣️ 情景例句
Fine. We were just wondering about this trunk.
好啦。我们正纳闷这只大衣箱呢。
If at first you don't succeed, try, try again.
初试不成功，努力勿懈怠。
That's beautiful.
你干得太漂亮了！