Spontaneous ignition
[化] 自燃
🧩 词语组成解析
ignition
[ig'niʃən]
n. （汽油引擎的）发火装置;着火，燃烧;点火，点燃;
🗣️ 情景例句
It's shaping up.
进展顺利。
Are you married?
你结婚了吗
and then there are three thousand million other Milky Ways, or galaxies, in the universe.
况且在宇宙中还有30亿个天河，即银河系。