Trace-elements
(trace-element 的复数) [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
n. 原理, 基础
🗣️ 情景例句
How much money are you presently earning?
你目前挣多少钱？
The children began to get across at each other.
孩子们开始争吵了。
Take it or leave it.
要不要由你。