Propylnitramine
丙基硝胺
🗣️ 情景例句
He's running for the school board.
他正在竞选联合校董会董事。
An honest man's word is as good as his bond.
诚实人的话像他的契约一样靠得住。
He described it as 'a very agreeable situation located within two small hills in the midst of which flowed a great river.
“地理位置十分适宜，位于两座小山的中间，一条大河从中间流过”。