The rule is that someone must be on duty at all times.

Keep your dictionary ready ( to hand ) at all times.

把词典时时放在手边.

You must avoid eye contact with aggressive drivers at all times.

你必须在任何时候都避免眼睛和猛闯的司机接触.

Doctor Liu is on call at all times.

不论什么时候刘医生随叫随到.

A company's accounting records must be open for inspection at all times.

公司的会计账目必须随时可以公开以备检查.

Firemen are ready at all times for a sudden turnout.

消防队员时刻准备着紧急出动.

One can't completely govern one's thoughts at all times.

人不能始终控制得住自己的思想.

A pilot must remain vigilant at all times.

飞行员必须随时保持警惕。

You must carry ID at all times.

你必须随身携带身份证件。

Staff members are trained to treat customers with civility at all times.

全体职员接受训练，以便在任何时候对顾客都以礼相待。

The centre is staffed at all times.

该中心随时都有工作人员。

A toddler requires close supervision and firm control at all times.

刚学步的孩子时刻需要寸步不离的照看，并要牢牢看紧。

The road inclines to right at an angle of 350.

这条路成350角向右倾斜.

The two lines are united at an angle of 45°.

两线以45度角结合.

The tow lines inclined to one another at an angle of 60.

两条线成60度角互相倾斜.

Line A and line B inclined to one another at an angle of 45.

线A与线B成45度角互相倾斜.

The plant was growing at an angle.

树长斜了.

The earth's axis is titled at an angle of about 231.

地轴倾斜成约二百三十一度角.

The steep rock seems to be growing at an angle.

这块陡直的岩石似乎在以一定角度生长.

The famous tower of Pisa leans at an angle.

有名的比萨塔是斜的.

It was pointing outward at an angle of 45 degrees.

它向外指向45度角的方向。