On women's vault, 2008 Olympic champion Hong Un Jong of DPR Korea defeated three-time world champion Cheng Fei of China.

South Korea took two titles with Kim Soo Myun winning the men's floor exercise and Kim Ji Hoon first on high bar.

Hungary's Krisztian Berki broke the Asian domination in Belgrade by winning the pommel horse title. The European men earned the next three titles as well: Russia's Alexander Balandin (rings), Romania' s Flavius Koczi (vault) and France's Cyril Tommasonne on parallel bars.

On the first day of swimming action, the United States finished 1-2 in the women's 400m individual medley event with Ava Ohlgren capturing the gold medal with a time of 4:40.61 and compatriot Lyndsay De Paul having silver in 4:41.94.

The American quartet of Michelle King, Madison Kennedy, Ava Ohlgren and Morgan Scroggy won the women's 4x100m freestyle relay final in 3:41.81, beofre their compatriots William Copeland, Chris Brady, Eric McGinnis and Doug Robison followed suit in the men's 4x100m freestyle relay, touching home with a Games-record time of 3: 14.74.

Poland's Przemyslaw Stanczyk denied a U.S. clean sweep of gold medals when he held off a hard-charging Chad La Tourette of the United States in the men's 400 freestyle final, 3:46.72 to 3:46.93.

In water polo, China's women's team defeated Australia 8-6 and advanced to the semifinals by ending up first in Group B.

"We came here for gold and we will give our best. Whatever happens, we will take only positive impressions with us," said Gao Ao of the Chinese team.

【体坛英语资讯：Day 4:U.S. dominate in pool, South Korea still ahead in gold race】相关文章：

★ 体坛英语资讯：Germany beats North Korea 3-0 to advance to semifinals

★ 体坛英语资讯：Chinas EAFC title hopes dashed after losing to Japan 1-0

★ 体坛资讯：Fatherhood will make Woods even better says Parnevik

★ 娱乐英语资讯：Who is the greenest celebrity?

★ 体坛英语资讯：Barcelonas title hopes take a hit with injuries

★ 体坛英语资讯：Davydenko left out of Davis Cup final singles

★ 体坛英语资讯：Venus, Sharapova go through at Wimbledon

★ 体坛英语资讯：Chinas Zheng to miss World Cup qualifier

★ 体坛英语资讯：Female Yao a head above the rest

★ 体坛资讯：Chinese road riders taste acceleration through studying abroad