坑洞 kēngdòng hole Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 从天文望远镜里看,月球表面布满了坑洞。 cóng tiānwén wàngyuǎnjìng lǐ kàn, yuèqiú biǎomiàn bùmǎn le kēngdòng. Looking through the telescope, the moon's surface is covered with craters. Source: Dong Chinese Dictionary