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
in your tuxedo jacket pocket.
礼服上衣口袋 。
Nothing for nothing and very little for a half penny.
一分钱，一分货。
When Dimitri came in from the fields, his wife told him what had happened.
迪米特里从地里回来，妻子把情况跟他一说，