这样说吧，类蜘蛛是没有毒腺的。

Well Opilionids do not have poison glands.

日本鼯鼠是无毒腺的，也不会攻击你。

Japanese flying squirrels are non-venomous, and they shouldn't attack you.

方法比较蛇外形、鳞片、毒腺、排毒量、毒性等情况。

Methods To compare form, flakes, venom gland, amount of expelling of toxin, LD_(50) of snake.

胡蜂毒腺中含有多种毒素多肽，国内对这些基因的研究基本上还是空白。

There are manifold venom peptides in vespa sac, but it is a blank research square about these genes at home.

研究者们在对科莫多龙进行核磁共振成像时发现，在它的下颚处长有复杂的毒腺。

When the researchers performed an MRI of a dragon, they found in its jaws what they called the most structurally complex reptile venom gland known.