Cobaltyl
氧钴根
🗣️ 情景例句
My father would like me to go there.
我爸爸希望我去那儿。
My sister is the oldest.
我的姐姐是最大。
Everybody here is busy getting ready for it and buying Christmas presents.
这里的每一个人都在忙于为圣诞节做准备和忙于购买圣诞节礼物。