under对应词是on

例句

1、

Simple things such as a leaf from a tree you sat under can keep the memories of your travel alive for years to come.

一些简单的东西，比如你在下面坐着的那棵树上的一片叶子，就能让你的旅行记忆在未来的岁月中历历在目。

2、

Put your bucket under there. Get that stool.

把桶子放在下面，去拿家伙来