created sense approved 壁癌 · bì'ái · efflorescence
壁癌
bì'ái
efflorescence
powdery salt or mineral deposits that form a crust on wall surfaces due to moisture seepage
地下室的墙面出现了大面积的壁癌，白色粉末掉了一地。
created sense approved 壁癌 · bì'ái · mold
壁癌
bì'ái
mold
persistent mold growth on walls, typically caused by chronic dampness or water leakage
浴室的墙角因为长期潮湿，已经长出了不少黑色的壁癌。