Insecureness
n. insecure（不安全的）的变形
🗣️ 情景例句
in the public school
在公立学校中
To ride a bicycle
骑自行车
In less than a minute, it roared past them only a few feet away.
不到1分钟的工夫，它从离他们只有几英尺远的地方呼啸着驶了过去。