Didymite
(=didrimite)雜云英石
??? 情景例句
You don't need to call a plumber, I can fix the sink.
你不必請水管工人了，我會修水槽。
Will this flight leave on time?
這班機準時起飛嗎？
Sometimes ago, the United States Navy, for instance,
例如，美國海軍前些時候