Berthierine
[機] 磁綠泥石
??? 情景例句
I'm on the top floor.
我在頂層。
When I came in, he was reading.
當我進來的時候，他在讀書。
When the balloon was over the station, the pilot saw one of the men taking photographs.
當氣球飛臨基地上空時，飛行員看見有一個人在拍照。