also key-note, "lowest note of a musical scale, basis of a scale," 1776, from key (n.1) in sense of "musical scale" + note (n.). Figurative sense of "leading idea" is from 1783; keynote address is 1905, American English.
雙語(yǔ)例句
1. Choice is the keynote of the new education policy.
新教育政策的主導(dǎo)原則是容許選擇。
來(lái)自《權(quán)威詞典》
2. The prime minister delivered the keynote address at the conference.
首相在會(huì)上作了基調(diào)演說(shuō).
來(lái)自《簡(jiǎn)明英漢詞典》
3. Today the keynote of the wedding gown is simplicity.