Nosometry
发病率计算法
🗣️ 情景例句
We've been listening to you both.
我们一直在听你们朗诵。
This is an interesting floor plan.Please show me the basement.
这是一有趣的平面布置.请给我看一下地下室。
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。