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(1)加，增(添)加(act or fact of adding)[U]：the～of a baby to the household/a porch to a house家庭添了一個(gè)孩子/一座房子增加一個(gè)門廊;The house has been improved by the～of a bathroom.這房子添了個(gè)浴室，從而得到了改善。the～of seasoning to food 在食物中加調(diào)味品;The～in cost is $1000.費(fèi)用增加了1000美元?！纪絘dding，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，后教減法。The sign + stands for～.“+”號(hào)代表加法。The child is not good/clever at～.這孩子加法不行。check the～of the bill 檢查賬單的總計(jì)錢數(shù);solve～problems 做加法題;〖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.他將是那個(gè)俱樂(lè)部/那個(gè)隊(duì)/那些工作人員中有益的新成員。They've just had an～to the family.他們家剛剛添了人丁。There's no room for～s.再增加人就沒(méi)有地方了。The～to the library will double its size.圖書館擴(kuò)建以后將增大一倍。build an～to a house 給房子蓋附屬建筑;

in addition 此外，還(= besides，adv)：In～，there are six other applicants.此外，還有另外六名申請(qǐng)人。

in addition to(除……外)還(= besides，prep)：We'll order some extra corn in～to our sixty pounds.除了這60磅外，我們還將訂購(gòu)一些谷物。

← add v;

→ ad′ditional adj 附加的，額外的，補(bǔ)充的;ad′ditionally adv 額外地