他们致力于提高该光学影像的清晰度.They concentrated on better definition of the optical image.不要使用位元影像的方法（如磁带机）备份，因为这样会将病毒一起拷贝下来。Do not use a bit-image method of backup (like a tape streamer), because this will copy the virus.从这一意义来说,摄影与...
He umpired baseball games...他担任棒球比赛的裁判。The baseball player wrenched his ankle on the play.垒球队员在比赛时扭伤了踝部.As baseball commissioner, Chandler was instrumental in making Jackie Robinson the first black player in the major le...