プログレッシブ和英中辞典(第３版)の解説
ぞうちく【増築】
- 家を増築する
enlarge [add on to] a house／build an annex [extension] onto the main house (▼annexは廊下などで母屋とつながっている別棟，extensionは建て増し部分) - あの銀行は目下増築中だ
They are now enlarging the building at that bank.／An extension is now under construction at that bank. - 2階に一部屋増築している
We are adding a room on the second floor of our house.
増築費｜the cost of enlarging a building