Retrocopulation
[医]背位性交
🗣️ 情景例句
Oh, that's a nice idea.
噢，这想法不错。
A man may lead a horse to the water, but he cannot make him drink.
牵马到河易，强马饮水难。
You're never too old to enjoy a Christmas stocking.
“你永远不会老到不能享受圣诞袜的乐趣，”