Second-order equation
[计] 二阶方程
🧩 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
Don't get so excited about it.
别因为这事儿太激动。
No wonder everyone speak highly of your commercial integrity.
难怪大家都极为推崇你们的商业信誉。
His wife was sitting beside him holding a large cake.
司机妻子正坐在他身边，手里托着块大蛋糕。