First-order difference equation
[计] 一阶差分方程
🧩 词语组成解析
first
[fɝst]
n. 第一，最初;头等;一号，;[乐]高音部;
adv. 最早，最初;首次;宁愿;优先;
adj. 第一流的;最初的，最早的;基本的，概要的;高音的;
num. 第一;
order
['ɔ:də]
n. 命令;秩序;规则，制度;次序;
vt. 命令;订购;整理;
vi. 下订单;
🗣️ 情景例句
I'll get through this work by noon.
我会在中午以前完成这项工作。
I was crossing the street and was almost hit by a car.
我穿过街时差一点被一辆汽车撞了。
Nice to see you. Please come in. This way, please.
很高兴见到你，进来吧！请这边走。