"We wanted to find another method for pinpointing when humans might have first started wearing clothing, " Reed said.

“我们想找到另一种方法以确定人类何时开始穿衣服。”里德说。

Pinpointing the source of your anger is a crucial first step.

找出你恼怒的根源是关键的第一步。

I know it can be tough pinpointing those quality acne medicines.

我知道它可以针对这些硬质痤疮药物。

What is your confidence level of correctly pinpointing the house?

是什么让你有把握可以正确指出房子的？

The difficulty of pinpointing primitive and derived characters remains.

要正确地指出原始性状和次生性状仍然感到困难。