also sink-hole, mid-15c., "sewage pit," from sink (n.) + hole (n.). As a geological phenomenon, "hole made in the earth in limestone regions by underground erosion," 1780, from sink (v.).
雙語例句
1. To a geologist, this is a simple limestone sinkhole.
對地質(zhì)學(xué)者來說, 這只是簡易的石灰石污水池.
來自互聯(lián)網(wǎng)
2. Local authorities and geologists are still investigating what caused the sinkhole.