Blattic acid
[医] 蟑螂酸
🧩 词语组成解析
🗣️ 情景例句
I've been there several times.
我到那儿去过好几次。
I'm glad you come.
我很高兴，你能来。
He was so surprised at being discovered that he did not even try to run away.
他由于被人发现而感到非常吃惊，甚至都没有企图逃跑。