Paraffinic hydrocarbons
[化] 链烷烃; 烷属烃
🧩 词语组成解析
石蜡族的
n. <化>碳氢化合物, 烃( hydrocarbon的复数形式 )
🗣️ 情景例句
I feel as though I have been standing here for 50 days.
可我感觉像是在这里站了50天。
That's an exaggeration!
太夸张了！
I want some envelopes,please.
请给我拿几个信封。