Virolitin
酵母病毒素
🗣️ 情景例句
You just relax with Grandpa.
你只要放轻 陪爷爷就行了。
Cheerfulness and goodwill make labour light.
欢快与好意，劳动不觉累。
Excuse me, Mr. Hu. Can you look after my watch, please?
劳驾，胡老师，你能帮我保管一下我的手表吗？