1、The thymus gland lies behind the breastbone and is an important part of the immune system.
胸腺在胸骨下方，是免疫系統(tǒng)一個重要的組成部分。

2、edible thymus gland of an animal.
可以食用的動物的胸腺。

3、You talk about the thymus gland revivifying over the course of a couple of generations.
你們談到胸腺復活超過一大代人結合的過程。

4、The thymus gland or pancreas of a young animal, especially a calf or lamb, used for food.
尤指小牛或羊羔等小動物的胸腺或胰腺，用作食物。