The primary accent is the main accent falling on the first beat in a measure or bar.

基本强音是基本音，出现在小节中第一拍。

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WHEN Marine ecologist Enric Sala first set eyes on Kingman Reef, a remote spot in the Pacific, his heart started to beat like a drum.

当海洋生态学家恩里克·萨拉第一次看见太平洋遥远的金曼礁时他的心就像打鼓一样开始怦怦直跳。

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We’d been hit in the head with a rock; like a neighborhood bully, we grabbed the first person we could get our hands on and beat him senseless.

就好像我们被邻居拿石头砸伤了头，却抓住另一个我们能对付的人，把他痛打了一顿一样。

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Rounds of 61, 63 and 65 on the first three days saw Karlsson beat the 36-hole and 54-hole Tour records.

BBC: SPORT | Golf | Karlsson keeps composure to win

During the third delay, fans watched out-of-town games on the giant scoreboard and cheered when Baltimore beat the first-place Detroit Tigers on a walkoff homer, moving the Indians into a temporary tie atop the AL Central.

NPR: Rays Overcome Rain, Indians 9-2

Stopping the first three U.S. attempts, Japan prevailed 3-1 on the penalty kicks to beat the U.S. for the first time.

FORBES: British Open, Women's World Cup Make For A Day To Remember For ESPN