
sub
词源
缩写自 submarine(潜艇)、substitute(替补)和 submarine sandwich(潜艇三明治),源自拉丁语前缀 'sub-',意为“在下方”或“替代”。
noun
❶ 指代潜艇(submarine的缩写),常用于军事或海洋领域,指能在水下航行的船只。
“The navy deployed a sub to patrol the coast.”
(海军部署了一艘潜艇巡逻海岸。)
“He served on a nuclear-powered sub for three years.”
(他在一艘核动力潜艇上服役了三年。)
❶ 指代替补队员(substitute的缩写),常用于体育比赛中,指临时替换上场的运动员。
“The coach sent in a sub for the injured player.”
(教练派了一名替补队员替换受伤的球员。)
“She was a sub in the last game and scored a goal.”
(她在上一场比赛中作为替补上场并进了一球。)
❶ 指代三明治(submarine sandwich的缩写),一种长条形面包夹馅料的食物,常见于美式快餐。
“I ordered a turkey sub for lunch.”
(我午餐点了一个火鸡三明治。)
“The sub shop is famous for its foot-long sandwiches.”
(这家三明治店以它的长条三明治闻名。)
verb
❶ 指临时替代某人或某物,常用于工作或活动中,表示暂时顶替或填补空缺。
“Can you sub for me at the meeting tomorrow?”
(你能明天替我去开会吗?)
“She subbed as the teacher while he was sick.”
(老师生病时,她临时代课。)
常见短语
sub in — 指临时替换某人或某物,常用于体育或工作场景中,表示让替补上场或顶替。
“The coach decided to sub in a fresh player.”
(教练决定换上一名体力充沛的替补队员。)
sub out — 指将某人或某物替换下场或撤换,常用于体育或团队活动中,表示让主力休息或调整阵容。
“The manager subbed out the tired employee.”
(经理让疲惫的员工暂时休息。)