Polyhaptenic
多半抗原的
??? 情景例句
What's going on?
怎么樣了？
When a dog is drowning,every one offers him drink.
待到狗溺水，眾人給水喝。
I bought two expensive dictionaries here half and hour ago, but I forgot to take them with me.
半小時以前我在這里買了兩本很貴的辭典，但是我忘了拿走。