con-, 强调。-st, 站，词源同stand.

1. There was constant jeering and interruption from the floor.

议员席上不断有人在嘲讽和打岔.

2. It's a constant struggle to try to keep them up to par.

要让他们达标，需要不断努力。

3. Constant wheelchair use will scuff almost any floor surface.

任何地板上经常有轮椅走动几乎都会有所磨损。

4. The weather is a constant topic of conversation in Britain.

在英国，天气是交谈中永恒的话题。

5. An automatic voltage regulator ensured a constant output from the generator.

一个自动电压调节器保证了发电机电流输出的稳定。