Pretectum
前顶盖
🗣️ 情景例句
He was my roommate in college.
他是我大学时的室友。
Money is the root of all evil.
金钱是万恶之源。
By 12.01, those fluctuations will already have created small errors one foot away.
到12∶01时，那些波动就已经会在1英尺远的地方造成偏差。