Second-order system
[计] 二阶系统
🧩 词语组成解析
second
['sɛkənd]
n. 秒;瞬间;次货;第二份食物;
adj. 第二的;次要的;居第二位的;另外的;
adv. 第二;其次;以第二位;
vt. 支持;临时调派;附议;赞成提案;
sec跟随+ond=one第一→跟随第一个之后→第二；秒
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 had a big breakfast, so I think I'll skip lunch today.
我吃了一顿丰盛的早餐，所以打算不吃午饭了。
We have agreed on all terms in the contract. Shall we sign it next week?
我们对合同各项条款全无异议，下周签合同如何？
It is thought that they arrived more than 30,000 years ago by crossing a land bridge from Asia to America.
他们被认为是在3万多年以前从亚洲跨越一座陆桥来到美洲的。