Stephanovite
綠草酸鈉礦
??? 情景例句
When are you going camping again?
你什么時候再去露營？
He must have three more weeks of rest before he is released.
他在出院以前，還需要三周時間的靜養。
You may pick whichever one you like best.
你可以挑你最喜歡的。