Polycoagulant
凝聚剂
🗣️ 情景例句
She is indifferent to other people's suffering.
她对别人的痛苦漠不关心。
Nothing gives me more pleasure than learning English.
再也没有什么比学英语更让我高兴的事了。
Sam and Lin Tao meet outside the school gate.
山姆和林涛在校门口相遇。