n.[植]水田芥;豆瓣菜
We started with watercress soup which contained every possible vegetable known to man and beast. 我们开始时喝水田芥叶汤,里面还放入有各种蔬菜,简直是应有尽有。
For comparison, participants in the other group weren't asked to eat watercress. 相对比,在另外一组的受试者没有要求吃豆瓣菜。