Americyl
镅酰(离子), 双氧镅(离子)
🗣️ 情景例句
The whole Stewart family is close. Stewart
全家人相处得很好。
She refuses to make up her mind.
她拒绝下决心。
Rescue workers are therefore drilling a hole on the north side of the mine.
因此，营救人员在矿井的北侧钻了一个洞。