常見例句雙語例句That is because it constrains one of the biggest safety valves in America's economy: people's ability to move.因爲(wèi)它關(guān)閉了美國經(jīng)濟的一個最重要的保險閥門：公衆(zhòng)的流動性。To shut down a reactor, safety valves are opened to release the steam and water is used to then to cool down the reactor core.關(guān)閉核反應(yīng)堆時，需要打開安全閥門釋放蒸氣，然後用水冷卻堆心。There were 100 identical safety valves which were checked.他們檢查了100個完全相同的閥門。權(quán)威例句"This was one of their safety valves to weed out police calls, " says Jerry.FORBES: Inside DopeWithout the safety valves of emigration to Europe, which is getting harder, and families' willingness to support those out of work, Morocco would look far less stable.ECONOMIST: The king is seeking to embrace moderate IslamistsScared as I watch the impending train wreck of a global economy that is being recklessly driven toward a fiscal and monetary cliff by its political masters—safety valves welded shut, fuel being poured on the fire, desperately trying to outrun a disaster of their own making.FORBES: Atlas Shrugged Part II: Ideas That Tower Above Any Movie 返回 safety valves