Ray-trace
光线追迹
🧩 词语组成解析
ray
[rei]
n. （热或其他能量的）射线;光束，光线;微量;伞形花序柄;
vt. 放射;照射;（思想，希望等）闪现;发光;
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
If you fail this test you'll be kicked out of school.
你这次考试要是不过就得离校。
Art is long, but life is short.
人生有限，学问无涯。
The students are going to take the test in two days' time.
学生们准备在两天后就接受测验。