Pentacyclic
五环的
🗣️ 情景例句
Could she? Could we?
她能看看吗？ 我们能看看吗？
Would you help me lift this heavy box?
你将帮助我提起这个重盒子吗？
Of course.I think there are a few in that box.
当然可以。我想那个盒子里有一些。