firstbornn.长子(或长女)adj.最先出生的firstadj.第一的；最初的adv.首先；第一n.最初；(序数词)第一first principle modeling机制建模first-class securities头等证券First Dive of the Summer今年夏天第一次游水first offence psychology初犯心理first-surface painting正面涂漆first virial coefficient第一维里系数First Lady of the Shield首席夫人first boundary condition狄利克雷边界条件First grade kindergarten示范幼儿园first thermal decomposer初级热分解器

1. She narrowly won the first race.
   首轮比赛她涉险过关。
2. The Japanese city of Osaka was eliminated in the first round with six votes.
   日本城市大阪在首轮投票仅得六票，被淘汰出局。

1. From Francis to the wheat peduncle, from Badier to Skora, the Rocket adjustment actually has not changed the team sad playoff first run awkwardness.
   从弗朗西斯到麦蒂，从巴蒂尔到斯科拉，火箭队的调整却未改变球队难过季后赛首轮的尴尬。