Synergistin
协同菌素
🗣️ 情景例句
Are you sending it by regular or by speed?
你要寄平信还是快递？
My sister graduated from high school.Graduation was last night.
我的姐姐从高中毕业了.毕业典礼是昨天晚上。
That was a long time ago,wasn't it?
那是好久以前的事了。是吗？