be used to /be conditioned to /be accustomed to /be adapted

e used to 分两种：be used to do sth表示被用于做某事；be used to doing sth表示习惯于。此时等于be accustomed to doing,　当然用accustom语体更正式化。be conditioned to表示经加工以适合要求供使用。如： leather conditioned by a special process 经特殊加工的皮革be adapted to sth,be adjusted to sth　调整以适应　　的意思,通常不以人作主语。另：used to do sth 表示　过去常常做某事