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

Thanks.

谢谢。

Confession is the first step to repentance.

悔罪先须认罪。

for there was a danger that if she traveled too quickly, this rudder would be torn away as well.

因为船不能开得太快，否则就有危险，应急舵也会被刮走。

更多情景英语 ›

🔤 更多 S 开头的单词

Scabiosa arvensis

securities investment trust

self-cleaning [ˌself'kliniŋ]

Simenchelyidae

snuggled

spelter chills

Spondli's foramen

sterol proteins

全部 S 开头单词 ›