Primary troostite
[机] 初生吐粒散铁
🧩 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
n. [矿]锰硅锌矿,屈氏体
🗣️ 情景例句
There's another advanced class today at four o'clock.
今天下午四点钟还有一次高级班。
How can I get in touch with you?
我要怎样联络你呢？
He added that a student had dressed up as a policeman and was playing all sorts of silly jokes on people.
还对工人说，有个学生常装扮成警察无聊地同别人开玩笑。