Optimal parasite
[医] 兼性寄生物
🧩 词语组成解析
🗣️ 情景例句
Don't you, Audrey?
喜欢吗， Audrey？
She gaped in surprise when Robert arrived.
当罗伯特来的时候，她吃惊得长大嘴巴呆住了。
It was necessary, therefore, to invent instruments that neither slumbered nor slept.
因此，有必要发明一种仪器，既不打盹儿，也不睡觉。