Trail-and-error calulation
[经] 试差计算法
🧩 词语组成解析
trail
[trel]
vt. 跟踪，追踪;拖曳：让…拖或飘扬在后面;拖沓而行;跟在…后面;
vi. （在比赛等中）输;（尤指跟在他人后面）疲惫地走;（在比赛或其他竞赛中）落后;蔓生;
n. 足迹;臭迹;小径;一缕;
trail(draw)→拖；拉；追踪；尾随；踪迹；小径
and
[ənd, ən,ænd]
conj. 和，与;而且;于是，然后;因此;
🗣️ 情景例句
I must say the products in Shanghai have improved very much in the past ten years.
我得承认上海的产品这十年来进步了很多。
The chemist is testing enzymes.
化学家在试验着酶。
He looked pale and his clothes were in a frightful state.
他面色苍白，衣服也搞得不成样子。