单词	sinking operation
释义	sinking operation 凿井工程
随便看	high-copper highcopper high copper high copper amalgam high-copy high-copy-number high core high corona high correlated nucleons high correlation high-cost high cost high-cost altruism high-cost energy resource high cost factor high cost of living high-costs high cotton high-count highcount high count high countervoltage triode high-count fabric high-count milk high count rate 挥笔如流星挥羽扇挥羽扇挥老泪挥金陌上郎挥雪刃挥霍如天翻挥霍纷纭争变化挥鞭遂从戎振大雅于东洛さんのぜんさんのぜん【三の膳】さんのとりさんのとり【三の酉】さんの膳さんの酉さんはんきかんさんはんきかん【三半規管】さんばさんば