straight

a long, straight road

一条笔直的长路

Try to keep your legs straight.

尽量把腿伸直。

Always lift with a straight back.

提东西的时候，一定要把背挺直。

her long, straight black hair

她又长又直的黑发

They sat down in a straight line .

他们坐成一直溜儿。

The road was dead straight .

那条路是笔直的。