• 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.
  1. 増築工事extension work
  1. 増築費the cost of enlarging a building