Ethylene dinitramine (edna)
[化] N,N'-二硝基乙二胺; 乙二硝胺; 海來特
?? 詞語組成解析
n. 乙烯\\n[化] 乙烯; 1,2-亞乙基
[機] 敵樂氨
??? 情景例句
OK. Thank you.
好 ，謝謝。
Politically,the country is divided into fifty states.
這個國家政治地被劃分成50個州。
Normal people tend to forget this process unless and until they are reminded of it.
衰老的過程，不經(jīng)提起，正常人容易忘記；一經(jīng)提醒，才會記起。