我在花园里看到一只螳螂用它强壮的钳足抓住了一只苍蝇。

I saw a ___mantid in the garden using its strong forelegs to catch a fly.

我在花园里发现了一只螳螂，它正用前肢抓住一只小虫。

I found a ___mantid in the garden, holding a small insect with its forelegs.