Schulzite
單硫銻鉛礦
??? 情景例句
I'm too sick to even get out of bed.
我病得都下不了床了。
When do you want to leave?
你想什么時候離開？
At a special swimming pool in Los Angeles, children become expert at holding their breath under water even before they can walk.
在洛杉磯的一個特設的游泳池里，孩子們甚至在還沒有學會走路時就已經能熟練地在水下屏住呼吸了。