Basic density
[化] 公定容重
🧩 词语组成解析
basic
['besɪk]
adj. 基本的;[化学]碱性的;[地质学]基性的;首要的;
n. 基础，基本;基本原则，基本原理，基本规律;要素;基础训练;
bas=basis基础+ic形容词，...的 →基本的
🗣️ 情景例句
You'll be glad to hear that Bill is alive and kicking.
比尔现在精神饱满，你听了一定很高兴。
Can I take your order?
您要点菜吗？
She walked slowly into the hall and at once noticed that all the room doors were open,
她慢慢地走进前厅，立即发现所有的房门都敞开着，