Ultra trace
[化] 超痕量
🧩 词语组成解析
ultra
[['ʌltrə]]
a. 过分的, 极端的\\nn. 极端主义者, 过激论者, 急进论者
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
🗣️ 情景例句
We had a cat when I was eight years old.
我八岁时养过一只猫。
In your dreams!
想得没喔！
CHRISTMAS DAY
圣诞节