"he didn't stay home; on the contrary, he went out with his friends"
例句
用作副词(adv.)
Contrarily, the optimal rotate speed and the optimal operation point of the turbine can be obtained from the mean optimal incident angle.反之，利用文中给出的平均最佳进气迎角也可确定透平的最佳转速，进而确定最佳工况点。
Contrarily, I will write in English first, in doing this, I can practice thinking in English.相反地，我会先写英文，这样做，我才可以锻炼用英语思考。
