ballon d'essai

名词 n.
中文释义
英 /ˌbalɒ̃ dɛˈseɪ/   

英文释义

名词 n.
  1. A policy put forward to test reactions; something designed to test the waters, an experimental measure.
    — James II may even have planned the reintroduction of the ceremony, for in his reign the old order of service was resurrected and issued in print, as a ballon d'essai, though the Revolution prevented matters being taken any further.

词形变化

ballons d'essai plural

词源

Borrowed from French ballon d'essai.
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