Insecureness
n. insecure（不安全的）的变形
🗣️ 情景例句
After studying an hour, I finally got the hang of the lesson.
我学习了一个小时，终于理解了这一课的要点。
Can I reconfirm by phone?
我可以用电话确认吗？
In the first place, any scientific study requires that there be no preferential weighting of one or another of the items in the series it selects for its consideration.
首先，任何科学研究都要求人们对可供考虑的诸多因素不能厚此薄彼，偏向某一方面。