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vt.
将...相加[(+up/together)]
vt.
补充说[Y][+that]
vi.
增加[(+to)]
vi.
做加法;加起来
vt.
添加;增加[(+to)]

The fire is going out; will you add some wood?
火快熄了,请你加些木柴好吗?
If we add these marks up, we\'ll get a total of 90.
如果我们把这些分数加起来,总数就有九十分了。
\"I felt sorry for her,\" Bob added.
\"我为她感到惋惜,\"鲍勃又说道。
The snowstorm added to our difficulties.
暴风雪增加了我们的困难。
The little girl has begun to learn to add and subtract.
这小女孩已在学做加减法了。