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
Yes. Here's the survey report issued by the Health Office, which is absolutely reliable.
有。这是由卫生检疫所签发的检验报告，它是绝对可靠的。
That's why he is now concentrating on conversation at a language school near his home.
这就是他在他家附近的一所语言学校专攻口语的原因。
Yes, I think they'll return next month.
是的，我想他们下个月回来。