auxiliary enlarging lens

例句：

1. 1. The auxiliary enlarging lens on the microscope is very useful for examining small objects.
   显微镜上的辅助放大镜对于观察小物体非常有用。
2. 2.During the scientific experiment, the auxiliary enlarging lens helped me to see the details of the sample more clearly.
   在科学实验中，辅助放大镜帮助我更清楚地看到了样本的细节。
3. 3.The auxiliary enlarging lens was a crucial tool in our research, allowing us to observe phenomena that were otherwise too faint to be seen.
   辅助放大镜是我们研究中的关键工具，它让我们能够观察到那些其他情况下太微弱而无法看见的现象。