Wordiyosubstitution
🇬🇧 UK/sʌbstɪ'tjuːʃn/🇺🇸 US/.sʌbsti'tju:ʃәn/
B1
Definitions
n.
The act of replacing one person or thing with another; the person or thing used as a replacement
替换；代替；替代物
🧩 Root Breakdown
Root-derivedCommon Collocations
- 1.make a substitution进行替换／换人
- 2.substitution reaction取代反应
- 3.substitution effect替代效应
- 4.tactical substitution战术换人
Example Sentences
- 1.
The manager made a tactical substitution to strengthen the defense.
- 2.
The substitution of fossil fuels with renewable energy is a global priority.
- 3.
In chemistry, a substitution reaction involves replacing one atom with another.