Valerce
原子价(化学)
🗣️ 情景例句
Good. Thank you. I'll be right down.
好，谢谢你。我马上下来。
I wish I could.
我希望我行。
She got up before 7 o'clock in the morning, and quickly washed her hands and face.
00以前起床，快快地洗手洗脸。