Decalcification
n. [化]脱钙(作用)
🗣️ 情景例句
Everyone gets a turn, going counterclockwise,
每一个人按逆时针方向，
Where are my glasses?
我的眼镜在哪儿？
John works very hard. He goes to work early.
约翰工作很努力。他早早上班。