Flame propagation
[机] 火焰传播
🧩 词语组成解析
propagation
[,prɑpə'geʃən]
n. 传播，传输，蔓延，扩展，波及深度;〔生〕繁殖法，〔地〕传导;宣传;培养;
pro 很多 +pag=pact紧的+ation 表名词 →人或物的密度很大→传播，繁殖，增殖
🗣️ 情景例句
I always cry at weddings.
我在婚礼上老是哭。
Wise men learn by other men's mistakes;fools by their own.
聪明人从旁人的错误中吸取教训，愚笨人则从自身的错误中吸取教训。
From 1830 onwards in the USA and from about 1870 in Canada, settlers began to move westwards and to take possession of the plains as their own.
美国自1830年起，加拿大从1870年左右起，殖民者开始向西迁移，并把平原据为己有。