Spontaneous emission

[化] 自发发射

🧩 词语组成解析

spontaneous [spɑn'tenɪəs]
adj. 自发的;自然的;天然产生的;无意识的;
spont=spond承诺+aneous表形容词→自内心承诺→自愿的
emission [ɪ'mɪʃən]
n. 排放，辐射;排放物，散发物（尤指气体）;（书刊）发行，发布（通知）;
e出+miss送，放出+ion名词后缀 → 发出，放射

🗣️ 情景例句

Yes, this is my youngest son Robbie.
是的 这是我的小儿子Robbie。
How many of these are you going to buy her?
你要买多少给她？
I find listening really hard. Sometimes it's just impossible to understand.
我觉得听力很难。有时简直听不懂。
更多情景英语 ›

🔤 更多 S 开头的单词

safe as the bank
scotoma
septemviral
siege-works
slurgalls
southold
stadium decrementi
steam trace heating
全部 S 开头单词 ›