add

过去式：added

过去分词：added

现在进行时：adding

词形变化：

形容词: addable | 动词过去式: added | 动词过去分词: added | 动词现在分词: adding | 动词第三人称单数: adds |

同义词：

increase | total | unite | join | add together | add up | append | tot up | sum | insert | put in | adjoin | affix | combine | enhance | complement | improve | tack | augment | attach | annex | sum up | put | together | up | put together | count | calculate | summate | attention deficit disorder | bestow | supply | attention deficit hyperactivity disorder | tot | lend | bring | minimal brain damage | contribute | MBD | impart | minimal brain dysfunction | ADHD | hyperkinetic syndrome | tally | add to | add up to |

反义词：

subtract | take away |

词义辨析：

同义:

vt.增加; 加起来

unite

increase

total

join

sum up

put together

同义参见:

increase¹

tack

attach

annex¹

annex

count¹

反义:

vt.vi.添加; 增加

subtract

反义参见:

decrease¹

eliminate