on the straight

• 笔直

on the straight的用法和样例：

例句

1. The guards stood upright at the gate.
   卫兵笔直地站立在门前。
2. The road ran straight for several miles.
   这条路笔直有好几英里长。
3. The slots can be parallel or nonparallel.
   凹槽平行或不平行。
4. Start on an easy slope and find the rhythm in your parallel turns.
   从容易的坡道开始练习平行转弯，并找到转弯的节奏。