她天生有一头自然直发，不需要多加打理。

She has naturally ___straight hair that doesn't need much styling.

牙套帮助她拥有了整齐的牙齿。

Braces helped her achieve ___straight teeth.

右转，然后直走。

Turn right, then go ___straight.

发型师：您想要层次还是直剪？

Stylist: Would you like some ___layers or just a ___straight cut?

我欣赏他直率的性格，从不说谎。

I admire his ___straight character—he never lies.

请用尺子画一条直线。

Please use a ruler to draw a ___straight line.

请在会议开始前把这些文件整理好。

Please get these documents ___straight before the meeting starts.