Clearanceometer
测隙计
🗣️ 情景例句
I'm sorry. Really, I'm sorry.
我为你难过 真的为你难过。
Skiing is such a challenging sport!
滑雪是非常有挑战性的运动！
It is all too easy to blame the railway authorities when something does go wrong.
因此，一旦铁路上真出了问题，人们便不加思索地责备铁路当局。