Primary calcium phosphate
[化] 磷酸二氢钙
🧩 词语组成解析
primary
['praɪmɛri]
adj. 首要的，主要的;最早的，原始的;[地质学]原生的;基本的;
n. 第一位;最好者;要素;候选人提拔会;
prim第一，主要的+ary形容词后缀 → 第一的，最开始的 → 最初的；根本的
phosphate
['fɔsfeit]
n. 磷酸盐;（含有少量磷酸的）汽水;
🗣️ 情景例句
There are thirty-three thousand three hundred and thirty-three feathers on that bird's throat.
那只画眉鸟的喉咙上有三万三千三百三十片羽毛。
They say there's a traffic accident in front of us.
据说在我们前方发生了车祸。
but the fire fighters were eventually able to free him by cutting a huge hole in the wall.
消防队员在墙上挖了个大洞，才终于把他解救出来。