Definition: a piece of a solid substance with no particular shape Level: C2
我在壁炉里发现了一小块煤。
I found a small ___lump of coal in the fireplace.
为了避免酱汁结块，要彻底搅拌。
To avoid ___lumps in the sauce, whisk it thoroughly.
他在人行道上发现了一块沉重的混凝土。
He discovered a heavy ___lump of concrete on the pavement.
