基本解釋[交通運輸工程]船首標志線消失英漢例句雙語例句This turns Twitter intoan early-warning system (like a canary in a coalmine) for spotting negativebuzz and heading it off before it doesreal damage toyour bottom line.這樣可讓Twitter變成一種預警機制 （有點象煤礦里的金絲雀），用于發(fā)現(xiàn)消極的發(fā)言，并在這些發(fā)言傷害到你的底線之前化解掉。權威例句She had just taken a picture of Joe, and was heading to the finish line to find him when the bomb went off.NPR: Marathon Runner Witnesses Double Disastersheading line off更多例句專業(yè)釋義交通運輸工程船首標志線消失