Concavoconcave
[医] 对凹的, 双凹的
🗣️ 情景例句
No, but I've read enough about it.
不曾，不过我常常读到有关它的报导。
Thank you for coming to see me off.
谢谢你来为我送行。
Will you connect this wire to the television?
你把这根电线和电视机连上好吗？