Bolection
n. 凸嵌线
🗣️ 情景例句
She'll be back around 2:30.
大概两点半会回来。
It's windy this afternoon.
今天下午起风。
He is now satisfied merely to try to stand up, but as soon as he does so a porpoise knocks him flat.
此时的海龟，只要能站起来就满足了，但它刚站起来，就被一只海豚击倒。