Definition: a large, heavy piece of wood or roughly trimmed tree, used for building Level: C2
谷仓的屋顶由重型木材支撑。
The roof of the barn is supported by heavy ___timber.
他们在树林里建造了一间木框架小屋。
They constructed a ___timber-framed cabin in the woods.
一根巨大的木材被用作桥梁的主梁。
A massive ___timber was used as the main beam for the bridge.
