boom line

基本解釋

End line: A boom or spike that hits an opponent in the face (slang).
面摩：突然的重扣，球打在對方的臉上（俚語）。
Several hundred yards of boom line has been set up on the north side of the island to try and contain the oncoming oil spill.
在島的北面數(shù)百碼的警戒線已經(jīng)拉起來為應(yīng)對即將到來的海面浮油做好充分準(zhǔn)備。
For years, many people have pursued government jobs here to take advantage of China's boom and line their pockets , not serve the country.
多年來，許多人在政府中謀求職位，以利用中國的繁榮謀取私利，而不是為國家服務(wù)。

The only other time we've seen a boom like this was right after World War II and that's shown by this line here; that wasn't as big.
我們可以看到,類似的繁榮,只在第二次世界大戰(zhàn)之后出現(xiàn)過,就像這條線所顯示的,這個(gè)增量不大
耶魯公開課 - 金融市場課程節(jié)選

Though he didn't gussy up his music, he knew how to keep people engrossed all the same: A master of stride and boogie and bebop, he'd string his listeners along just by dancing around the theme, and then at just the right moment, he'd lower the boom, delivering a line so dazzlingly improbable that the common response was a gasp.
NPR: A Jazz Genius Goofs Off
The feature is nice to have, especially if you somehow manage to bust the boom mic somewhere along the line.
ENGADGET: Tritton Warhead 7.1 Wireless Surround Sound Headset for Xbox 360 review
Many say they accept the party's line that the economic boom which followed has vindicated the armed forces' bloody intervention.
ECONOMIST: Twenty years after Tiananmen