late 14c., "steadfast, resolute," from Old French constant (14c.) or directly from Latin constantem (nominative constans) "standing firm, stable, steadfast, faithful," present participle of constare, from com- "together" (see com-) + stare "to stand," from PIE root *sta- "to stand" (see stet). Of actions and conditions from 1650s. Related: Constantly.
constant (n.)
1832 in mathematics and physics, from constant (adj.).
雙語例句
1. There was constant jeering and interruption from the floor.
議員席上不斷有人在嘲諷和打岔.
來自柯林斯例句
2. It's a constant struggle to try to keep them up to par.
要讓他們達(dá)標(biāo)，需要不斷努力。
來自柯林斯例句
3. Constant wheelchair use will scuff almost any floor surface.
任何地板上經(jīng)常有輪椅走動幾乎都會有所磨損。
來自柯林斯例句
4. The weather is a constant topic of conversation in Britain.
在英國，天氣是交談中永恒的話題。
來自柯林斯例句
5. An automatic voltage regulator ensured a constant output from the generator.