Rackarock
氯酸鉀-硝基苯炸藥
??? 情景例句
I'll talk to him.
我會去跟他談談。
I need the change for the stamp machine.
我需要投入自動售郵票機的零錢。
I entered the hotel manager's office and sat down.
我走進飯店經(jīng)理的辦公室，坐了下來。