Bǐ / sài / kāi / shǐ / hòu / bā / míng / xuǎn / shǒu / tóng / shí / jìn / rù / le / yǒng / dào

比赛开始后，八名选手同时进入了泳道。

After the race began, eight contestants entered the swimming lanes at the same time.