(1)加，增(添)加(act or fact of adding)[U]：the～of a baby to the household/a porch to a house家庭添了一个孩子/一座房子增加一个门廊;The house has been improved by the～of a bathroom.这房子添了个浴室，从而得到了改善。the～of seasoning to food 在食物中加调味品;The～in cost is $1000.费用增加了1000美元。〖同〗adding，including;〖反〗subtraction，subtracting，removing;

(2)加法(the act or process of putting numbers together)[U]：A～is taught before subtraction.先教加法，后教减法。The sign + stands for～.“+”号代表加法。The child is not good/clever at～.这孩子加法不行。check the～of the bill 检查账单的总计钱数;solve～problems 做加法题;〖反〗subtraction;

(3)新添加的人(物)，附加(person or thing added or joined)[C][N(to)]：He'll be a useful～to the club/the team/the staff.他将是那个俱乐部/那个队/那些工作人员中有益的新成员。They've just had an～to the family.他们家刚刚添了人丁。There's no room for～s.再增加人就没有地方了。The～to the library will double its size.图书馆扩建以后将增大一倍。build an～to a house 给房子盖附属建筑;

in addition 此外，还(= besides，adv)：In～，there are six other applicants.此外，还有另外六名申请人。

in addition to(除……外)还(= besides，prep)：We'll order some extra corn in～to our sixty pounds.除了这60磅外，我们还将订购一些谷物。

← add v;

→ ad′ditional adj 附加的，额外的，补充的;ad′ditionally adv 额外地