他们都把手叠起来放在桌上坐得笔直。

They also sit so perfectly straight with arms folded together on the desk.

榆木是现时制造中式家具的热门材料，因其木身够笔直，木轮亦漂亮。

Perfectly straight and having beautiful grain, elm wood is widely used in the production of Chinese furniture nowadays.

他们像接受检阅的士兵一样站得笔直。

They stood as straight as soldiers on parade.

公路笔直延伸。

The road continues as straight as an arrow.

服务员笔直站立着，餐巾折叠着放在他们的手臂上。

The waiters stood to attention with napkins folded over their arms.

公路平坦而笔直地向前延伸。

The highway stretched out flat and straight ahead.

他有一种军人的风姿，身板总是挺得笔直。

He has a military bearing, never failing to carry himself erect.

他把身子挺得笔直。

He drew himself up to his full height

当我推开特雷弗的房门时，他正腰杆笔直地坐在床上。

When I pushed his door open, Trevor was sitting bolt upright in bed.

她长腿细臀，身姿笔直。

Her legs were long and fine, her hips slender, her carriage erect.

海伦笔直地坐在椅子上。

Helen sat upright in her chair

她乌黑的头发中有条笔直的白色分缝，仿佛将她的后脑勺一分为二。

The straight white part in her ebony hair seemed to divide the back of her head in half.