Trace chemistry
[化] 痕量化学
🧩 词语组成解析
trace
[tres]
vt. 跟踪，追踪;追溯，探索;探索;查找;
vi. 沿着一小径或道路前进;可以追溯的;
n. 痕迹，踪迹;微量，极少量;[植]（脉）迹;痕迹;
trace(draw)→回溯
chemistry
['kɛmɪstri]
n. 化学;物质的化学组成（或性质），化学作用（现象）;（常指有强烈性吸引力的）两人间的关系;〈比喻〉神秘的变化（过程）;
chemist药剂师+ry...业 →化学
🗣️ 情景例句
She took a medical course.
她选读医学课程。
Nothing is impossible to a willing heart.
心之所愿，无事不成。
I didn't mind, because it was really cold in Moscow. There was thick snow everywhere!
我并不介意，因为莫斯科的天气非常寒冷。到处都可看见厚厚的雪！