Orthothecida
直管螺目
🗣️ 情景例句
We were all sorry when we heard that your brother had had an accident.
我对你弟弟的意外感到遗憾。
Please inform us the quantity that can be supplied from stock.
请告知可供现货的数量。
Choose any subject. Something about England, for example.
你可以选任何题日。例如，你可以谈谈英国的情况。