笔直

笔直 [bǐ zhí]

1. ■ rectitude; perfectly straight; straight as a ramrod; bolt upright:

笔直的马路 straight avenues;

笔直的树 an upright tree;

笔直走 go straight on; go straight ahead;

身子挺得笔直 stand straight as a ramrod; draw oneself up to one's full height