a substitute for sb/sth
表示用某物或某人替代另一物或另一人，for 后接被替代的对象。
Honey can be a substitute for sugar in many recipes.
在许多食谱中，蜂蜜可以代替糖。
代替者；代用品
substitutes — plural of substitute
替补队员；替补；代课教师；替代或代替某物以实现类似结果或目的；替代者；替代物；替补运动员
A person or thing that takes another's place and serves the same purpose.
替代或代替某物以实现类似结果或目的
A replacement or stand-in for something that achieves a similar result or purpose.
替代者；替代物
a person or thing that takes or can take the place of another
代课教师
A substitute teacher.
替补运动员
an athlete who plays only when a starter on the team is replaced
如果需要,可以替换另一名球员的球员,可能会或可能不会实际替换
A player who is available to replace another if the need arises, and who may or may not actually do so.
替代者(在危险或困难时)
someone who takes the place of another (as when things get dangerous or difficult)
If you don't have olive oil, you can use butter as a substitute in this recipe.
如果你没有橄榄油，可以用黄油代替来做这道菜。
用法提示：substitute 作名词，意为‘替代物’，常与 as 或 for 连用。
The team's young substitute scored the winning goal in the last minute.
这名年轻的替补队员在最后一分钟打进了制胜一球。
用法提示：substitute 作名词，指‘替补运动员’。
Our math teacher is away, so a substitute will cover the class tomorrow.
我们的数学老师外出了，所以明天会有代课老师来上课。
用法提示：substitute 作名词，指‘代课老师’，即临时替代的人。
表示用某物或某人替代另一物或另一人，for 后接被替代的对象。
Honey can be a substitute for sugar in many recipes.
在许多食谱中，蜂蜜可以代替糖。
常用于体育语境，表示以替补身份上场或参赛。
He came on as a substitute in the second half.
他在下半场作为替补上场。
名词前直接加 substitute 构成复合名词，指代课教师、替补队员等。
The class had a substitute teacher today.
今天这个班由代课老师上课。
grammar · medium
易错句子My teacher was sick, so we had substitute.
正确表达My teacher was sick, so we had a substitute.
substitute 作名词时是可数名词，单数形式前必须加冠词或限定词。汉语名词没有冠词系统，表达“我们有代课老师”时容易漏掉 a/an；补上 a 才符合英语可数名词单数的要求。
grammar · medium
易错句子Tofu can be a substitute of meat.
正确表达Tofu can be a substitute for meat.
表示“代替某人或某物的替代品”时，substitute 后面固定接介词 for，不用 of。汉语“……的替代品”中的“的”容易迁移成 of，但英语里用 for 才表示所替代、所取代的对象。
grammar · medium
易错句子The coach sent a substitution onto the field.
正确表达The coach sent a substitute onto the field.
substitute 指“替代的人或物”，substitution 指“替换这一动作或过程”。汉语“替补”既指上场的那个人，也可指替换行为，容易混用；本句说的是上场的球员，所以要用 substitute。
…的替代品/替代者
Honey can be used as a substitute for sugar.
蜂蜜可作为糖的替代品。
直接替代物
There is no direct substitute for butter in this recipe.
在这个食谱中，黄油没有直接替代品。
合适的替代品/替代者
The manager said there was no adequate substitute for the injured player.
经理说受伤的球员没有合适的替代者。
临时替代者
She worked as a temporary substitute for the regular teacher.
她充当了正式老师的临时替代者。
代课老师
The substitute teacher had to handle a rowdy class.
代课老师不得不应对一个吵闹的班级。
prefix
root
没有东西可以代替
There is no substitute for hard work.
努力工作是无法替代的。
蹩脚的替代品
Margarine is a poor substitute for butter.
人造黄油是黄油的蹩脚替代品。
充当替代品
This player can serve as a substitute for the injured star.
这名球员可以充当受伤明星的替补。
我只是另一个人的替代品
In the song 'Substitute', The Who sings about being a substitute for another guy.
在歌曲《替身》中，谁人乐队唱道自己只是另一个人的替代品。
胜利无可替代
General Douglas MacArthur's famous quote emphasizes that there is no substitute for victory.
道格拉斯·麦克阿瑟将军的名言强调胜利无可替代。
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现成的替代品
In cooking, yogurt is a ready substitute for sour cream.
在烹饪中，酸奶是酸奶油的一种现成替代品。