测深

例句：

1. 1. Theengineer measured the depth of the well beforedrilling.
   工程师在钻探前测量了井的深度。
2. 2. The scientist ascertained the age of the ancient ruinsby analyzing the pottery fragments.
   科学家通过分析陶器碎片来确定古遗迹的年龄。
3. 3. The diver measured the watertemperature at various depths to ensure itwas within safe limits.
   潜水员在不同深度测量水温，以确保其处于安全范围内。