1.add to 增加，添加
例句：I have nothing to add to my earlier statement.
我对我先前说的话, 没有什麽补充的。
2.add up 把...加起来
例句：The bills add up to exactly $100.
这些帐单加起来正好一百元。
3.adhere to 黏附，粘住；坚持，遵守；拥护，支持
例句：We will urge them to adhere to the Paris Agreement.
我们将敦促他们遵守巴黎协议。
4.adjacent to 毗连，邻近
例句：The house adjacent to ours is under repairs.
与我家相邻的房子正在修缮。
5.adjust to 调节，改变...以适应
例句：Astronauts in flight must adjust to weightlessness.
宇航员在飞行中得适应失重状态。
6.adorn with 佩戴，用...装饰
例句：She loved to adorn herself with finery.
她爱用华丽的衣服装饰自己。