Arachidonic
a. 花生四烯酸
🗣️ 情景例句
You don't know what you are talking about.
你不知道你在说什么。
How thick is the ice here?
这儿的冰有多厚？
Then I arrived home at six o'clock yesterday evening. He telephoned again.But I didn't answer the phone!
后来，我昨晚6点钟回到家里。他又打来电话，但我没接。