Versines
(versine 的复数) (=versed sine)[数]正矢
🗣️ 情景例句
What am I supposed to do?
我该做什么？，
Are you clear in your own mind what you ought to do.
你自己是否清楚该做什么？
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。