"the star had a stand-in for dangerous scenes"
"we need extra employees for summer fill-ins"
"a utility infielder"
"an alternative plan"
"ersatz coffee"
"substitute coffee"
"the con artist replaced the original with a fake Rembrandt"
"substitute regular milk with fat-free milk"
"synonyms can be interchanged without a changing the context's meaning"
"The young teacher had to substitute for the sick colleague"
"The skim milk substitutes for cream--we are on a strict diet"
"She stood in for the soprano who suffered from a cold"
1.用…代替;取代;替换
If yousubstitute one thingfor another, or if one thingsubstitutes for another, it takes the place or performs the function of the other thing.
e.g. They were substituting violence for dialogue...
他们在用暴力取代对话。
e.g. You could alwayssubstitute a low-fat soft cheese...
你总是可以代之以低脂肪的软奶酪。
2.代替者;代替物;代用品
Asubstitute is something that you have or use instead of something else.
e.g. She is seeking asubstitute for the very man whose departure made her cry.
那个男人的离去令她伤心痛哭,她正想找一个人填补内心的空缺。
e.g. ...tests on humans to find a bloodsubstitute made from animal blood.
为从动物血液中提取人血的替代品而在人体上进行的试验
3.令人满意的替代物;与之媲美的事物
If you say that one thing is nosubstitute for another, you mean that it does not have certain desirable features that the other thing has, and is therefore unsatisfactory. If you say that there is nosubstitute for something, you mean that it is the only thing which is really satisfactory.
e.g. The printed word is nosubstitute for personal discussion with a great thinker...
阅读印在纸上的内容远不如与伟大的思想家面对面探讨那般受益。
e.g. There is nosubstitute for practical experience.
实践经验是无法替代的。
4.替补(运动员)
In team games such as football, asubstitute is a player who is brought into a match to replace another player.
e.g. Coming on as asubstitute, he scored four crucial goals for Cameroon.
作为替补队员上场的他为喀麦隆队打入了四粒关键进球。
1. 代用品:这些都不属於前述的两种「真玉」但也不是人造的「假玉」,而都是天然的矿物,多为绿色半透明,与玉相似,在欧美宝石买卖中,也有一些被称作玉的代用品(substitute)或相似品(simulant)的货色,在买卖的行市上,也有其一定的身价.