cheliceral gland

例句：

1. 1. The cheliceral gland is responsible for the production of a defensive fluid.
   螯肢腺负责产生一种防御性液体。
2. 2. The cheliceral gland is located on the underside of the crab's carapace.
   螯肢腺位于螃蟹甲壳的下侧。
3. 3. The cheliceral gland is an important part of the crab's immune system.
   螯肢腺是螃蟹免疫系统的重要组成部分。