Molding is the American spelling of British moulding. You will meet it in two main places, and they are not equally obvious.

Molding這個字 is是 of British moulding英式moulding的 the American spelling美式拼法。You will meet it你會 in two main places在兩個主要的地方遇到它，and they are not equally obvious但這兩個地方明顯的程度不太一樣。

In a house, a molding is a shaped strip — usually wood, plaster, or a light foam — that runs along a wall, a ceiling, a door, or a picture frame. It is there to look finished, not to hold the building up. In Taiwan, shops often still say 線板 even when the English on the pack says molding.

In a house在房子裡 a molding is molding是 a shaped strip一種塑形的長條 usually wood, plaster, or a light foam通常是木頭、石膏或輕質泡棉 that runs along a wall, a ceiling, a door, or a picture frame沿著牆壁、天花板、門或畫框延伸。It is there to look finished它的作用是讓外觀好看完工，not to hold the building up不是用來撐住建築物。In Taiwan在台灣，even when the English on the pack says molding就算包裝上的英文寫molding，shops often still say 線板店家還是常常說線板。

In a factory, molding is the work of shaping something in a mold: plastic molding, injection molding. The piece that comes out can also be called a molding.

In a factory在工廠裡 molding is molding是指 the work of shaping something in a mold用模具把東西塑形的工作: plastic molding, injection molding例如plastic molding、injection molding。The piece that comes out做出來的成品 can also be called a molding也可以叫做molding。

So one spelling, two worlds: a pretty line in a room, and shaping in a factory. American English uses molding for both; British English uses moulding.

So one spelling, two worlds所以同一個拼法卻是兩個世界: a pretty line in a room房間裡的一條漂亮線條, and shaping in a factory和工廠裡的塑形。American English美式英文 uses molding for both兩種都用molding；British English英式英文 uses moulding則用moulding。

It is not the fuzzy growth on bread — that is mold, or moldy bread.

It is not它不是 the fuzzy growth on bread麵包上長的那種毛毛黴菌 — that is mold那個叫mold, or moldy bread或發霉的麵包叫moldy bread。