Macromineral
n. 常量矿物质；大量元素\\n
🗣️ 情景例句
It's getting late. Please excuse me, but I must leave right away.
时间不早了。对不起，我得赶紧走了。
After eating breakfast,I go back upstairs again.
在吃早餐以后，我再回楼上。
Are you doing much sport?
你常做运动吗？