Replaceability
更换性, 可代换性, 替换性
🗣️ 情景例句
And these are pictures of people working:steelworkers, bankers, police, street vendors,ambulance drivers, doctors….
这是工作中人们的照片：钢架工人、 银行职员、警察、街头小贩、救护车驾驶 医生等等……
Don't be so stubborn!
你还嘴硬！
Class 3 were the winners!
3班获胜了！