Ferrohumite
铁斜硅镁石
🗣️ 情景例句
2. We should all start exercising.
咱们都该去健身了。
This week he took his first vacation from work in five years.
五年来，他本周破例第一次休假。
At a special swimming pool in Los Angeles, children become expert at holding their breath under water even before they can walk.
在洛杉矶的一个特设的游泳池里，孩子们甚至在还没有学会走路时就已经能熟练地在水下屏住呼吸了。