上第的英文

例句与用法

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1. Freight was now going aboard flight two in a steady stream .
   货物已开始源源不断地送上第二号班机。
2. In other words, replacement of the number 8 carbon by nitrogen in the purine ring does not eliminate activity .
   换句话说，嘌呤环上第8位碳被氮所取代并不丧失活性。
3. The worker spends his whole life time accomplishing nothing more than the turning of bolt 999 on the remorseless assembly line .
   那个工人一辈子只干一种活，即旋紧冷酷无情的装配线上第999号螺丝钉。
4. Canada is the second largest country in the world
   加拿大是世界上第二大的国家。
5. Iran is the world ' s fourth - largest oil exporter
   是世界上第四大石油输出国。