Co-occurrence
n. 同现
🧩 词语组成解析
[医] 钴(27号元素)
🗣️ 情景例句
I've been having a hard time keeping my eyes open
我一直挣扎着要让双眼睁开
My mother mailed me a parcel.
我妈给我寄了一个包裹。
Mr. Fang is in London. He's looking for different places. He needs some help.
方先生在伦敦。他在寻找一些地方，他需要帮助。