Single-stage
a. 单级的
🧩 词语组成解析
single
['sɪŋɡl]
adj. 单一的;（打斗、比赛等）一对一的;惟一的;适于一人的;
n. 单程票;（旅馆等的）单人房间;[复数]（高尔夫球一对一的）二人对抗赛;[常用复数][美国、加拿大英语]未婚（或单身）男子（或女子）;
vt. 挑选;
vi. 作一垒手;
stage
[stedʒ]
n. 阶段;舞台;戏剧;驿站;
vt.& vi. 上演，演出;筹办，举行;适于上演;坐公共马车旅行;
vt. 举行;展现;上演;筹划;
vi. 适于上演，适合在舞台上演出;乘公交车（或驿车）旅行;[军事]中间集结，扎营;
sta=stand, 表示“站，立”+ge=age表名词 → n.舞台；戏剧；阶段
🗣️ 情景例句
This is no small accomplishment.
这是非同小可的成就。
Experience keeps a dear school,but fools learn in no other.
经验学校学费高，愚人旁处学不到。
Though my aunt pursued what was, in those days, an enlightened policy, in that she never allowed her domestic staff to work more than eight hours a day, she was extremely difficult to please.
姑妈待佣人在当时算是开明的，从来不让佣人每天工作超过8小时，但他们很难使她称心如意。