首次

• One of the first reports on toxicity of magnesium was recorded by him in 1814 .
  1814年，他首次报道了关于镁的毒性问题。
• He united the three major heavyweight titles for the first time in nine years .
  他首次在九年内独揽了重量级的三个桂冠。
• This was the first time mom had let grandpa out of the house since last autumn .
  这次是去年秋天后妈妈首次让爷爷到屋外去。
• I first broached the subject with him in a conversation in washington in january .
  我一月份在华盛顿首次同他讨论了这个问题。
• In november, 1940, markovic first trod in secrecy the road to berchtesgaden .
  1940年的11月，马科维奇首次秘密前往贝希特斯加登。
• After the water tower was built, a train stopped for the first time at mill creek .
  水塔造成之后，一列火车首次在密耳科立克停下来。
• This was the first successful nuclear transplant involving cells of a warm-blooded animal .
  这是温血动物细胞核移植试验的首次成功。
• In california, persian walnuts were first grown in the days of the early spanish missions .
  早在西班牙教区时代，加利福尼亚就首次栽培了核桃。
• During that talk he made the first public announcement of my transfer to command of overlord .
  在他的讲词中，首次公开宣布我调任“统主”指挥。
• It was the delegation of virginia that first suggested a single "national executive. "
  弗吉尼亚的代表团首次提出设一个“全国最高执行者”的主张。