Metanucleus
成熟期卵核
🗣️ 情景例句
He's a lucky boy.
他是个幸运的孩子。
I wonder if it will be too tight.
我不知道它是不是会太紧。
I suggest that you did not catch the 8 o'clock train,
您乘的不是8点钟的火车，