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
I would prefer a non-smoking room.
我想要一间不许吸烟的房间。
If you buy that home,will you spend the rest of your life there?
如果你买那住宅，你将在这里过余下的日子吗？
But a watch could never repair itself----it does not consist of living parts,
但是，手表决不会自行修理，它不是由有生命的部件组成，