Isolysin
同种溶素, 同族溶素
🗣️ 情景例句
Why do prices always go up during Spring Festival?
为什么春节期间很多东西都会涨价？
His friend was injured in an airplane crash.
他的朋友在飞机碰撞中受伤。
We can offer a 10% discount for orders over 10000 pieces.
订购一万个以上，我们可以打九折。