trial heat

• 预赛

trial heat的用法和样例：

例句

1. Tom was eliminated in the first heat.
   汤姆在第一场预赛中被淘汰。
2. Asked before Liu lined up for his heat whether he knew that his Chinese rival appeared to be hurting badly, Robles said he didn't care.
   在刘翔预赛前，记者问罗伯斯是否知道他的竞争对手刘翔身上有严重的伤病，罗伯斯说他不在乎。