Seggar
煤层底部粘土, 火泥
🗣️ 情景例句
Everyone is goofing around.
人人都在混时间。
The doctor is afraid there is no hope for him.
医生担忧他已经无望了。
Von Frisch watched the wagging dance very carefully.
冯·弗里施非常仔细地观察蜜蜂跳的摇摆舞。