septavalent

septavalent的英语例句

1. He left the company by mutual consent last September.

   去年9月，经双方同意，他离开了公司。

2. She made her first and only space flight last September.

   她第一次也是唯一一次宇宙飞行是在去年9月。

3. September is here, bringing with it a chill in the mornings.

   9月到了,早晨已有了寒意.