substitute

• 指代替他人或他物、占据其位置或发挥其作用的；也可指备用的、临时的替代事物。

Describes a person or thing that takes the place or function of another.

1. B1formal

   Serving as a replacement for something or someone else.

   替代的

   • The substitute teacher took over the class for the day.
   • They used a substitute ingredient in the recipe.
   • The substitute player scored the winning goal.

   同义词alternatebackupproxyreliefreplacementreservestand-insurrogate

   反义词authenticgenuineoriginal

• 名词，指代替另一个人或事物、占据其位置或履行其职能的人或物。

A noun referring to a person or thing that takes the place or performs the function of another person or thing.

1. Replacement personB1formal

   A person who takes the place of another, especially in a job or role.

   替代者

   • The teacher was sick, so a substitute came to class.
   • He worked as a substitute for the regular driver.
   • The team brought in a substitute for the injured player.

   同义词alternatebackupfill-inlocumproxyreliefreplacementreservestand-insurrogateunderstudy

2. Replacement thingB1formal

   A thing that is used in place of another, often because the original is unavailable.

   替代品

   • Margarine can be used as a substitute for butter.
   • They found a substitute for the missing part.
   • This is a cheap substitute for the original material.

   同义词alternatebackupmakeshiftproxyreplacementstand-instopgapsurrogate

• 动词，表示用一个事物或人替代另一个，或代替某人/某物行使职能。

A verb used to indicate the act of replacing one thing or person with another, or serving as a replacement.

1. Replace with anotherB1formal

   To put or use someone or something in place of another.

   替代

   • You can substitute butter with margarine in this recipe.
   • The coach substituted the injured player in the second half.
   • They substituted the old equipment with new models.

   同义词changeexchangeinterchangereplaceswapswitch

   反义词keepretain

2. Act as a replacementB1formal

   To take the place of someone or something temporarily.

   代替

   • She substituted for the manager while he was on vacation.
   • The intern substituted for the regular receptionist.
   • He substituted as the lead singer for one night.

   同义词coverdeputizefill inrelievereplacestand intake over