vt.

1. 添加；增加[（+to）]
   The fire is going out; will you add some wood?

   火快熄了，請你加些木柴好嗎？

2. 將……相加[（+up/together）]
   If we add these marks up, we'll get a total of 90.

   如果我們把這些分數加起來，總數就有九十分了。

3. 補充說[Y][+that]
   "I felt sorry for her," added Bob.

   "我為她感到惋惜，"鮑伯又說道。

vi.

1. 增加[（+to）]
   The snowstorm added to our difficulties.

   暴風雪增加了我們的困難。

2. 做加法；加起來
   The little girl has begun to learn to add and subtract.

   這小女孩已在學做加減法了。

v.

1. join to or put with something else.
2. put together (two or more numbers or amounts) to calculate their total value.
   ▸ (add up) increase in amount, number, or degree.
   ▸ (add up to) amount to.
3. (add up) informal make sense.
4. say as a further remark.