Trace-element
[医]微量元素
🧩 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
element
['ɛləmənt]
n. [化]元素;要素;原理;[电]电阻丝;
🗣️ 情景例句
Take your medicine like a man.
做一个男人，去接受磨练吧！
You never know what you can do till you try.
事非经过不知难。
I was being tested for a driving licence for the third time.
我第3次接受驾驶执照考试。