Para-dihydroxystearic acid
[化] 聚二羟基硬脂酸
🧩 词语组成解析
[经] 帕拉
🗣️ 情景例句
Good morning. Restaurant Service. May I help you?
早上好，餐厅服务部，能为你效劳吗？
Sorry to keep you waiting.
抱歉让你久等了。
Squeezing through a cleft in the rocks, the pot-holers arrived at an enormous cavern, the size of a huge concert hall.
洞穴探险者从岩石缝里挤身过去，来到一个巨大的洞里，其大小相当于一个音乐厅。