Monoerg
同种抗原抗血清, 单应性抗血清
🗣️ 情景例句
A lot of people come to openings
许多人参加开幕仪式
One cannot put back the clock.
光阴一去不复返。
When you come to think about it, there are only four ways you can deal with rubbish: dump it, burn it, turn it into something you can use again, attempt to produce less of it.
倾倒、焚烧、把垃圾变成再生材料或试图少产生一些垃圾。