Explosion ratio
[化] 爆炸浓度
🧩 词语组成解析
ratio
['reiʃiəu]
n. 比，比率;比例;系数;
vt. 求出比值，除，使…成比例;将（相片）按比例放大[缩小];
🗣️ 情景例句
It's Grandma's recipe.
这是奶奶的配方。
Your friend was here a week ago,wasn't he?
一个星期前，你的朋友曾在这里，是不是？
I found him seated on the bench.
我发现他在椅子上坐着