constant是什么意思

constant

英 ['k?nst(?)nt] 美 ['kɑnst?nt]

constant 持續(xù)的

con-, 強調(diào)。-st, 站，詞源同stand.

constant: constant: see consist
constant (adj.): 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.).

1. There was constant jeering and interruption from the floor.: 議員席上不斷有人在嘲諷和打岔.

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。

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。

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。

5. An automatic voltage regulator ensured a constant output from the generator.: 一個自動電壓調(diào)節(jié)器保證了發(fā)電機電流輸出的穩(wěn)定。