He steered the car with the other hand, knocking the dottle out into the ashtray.

他一只手开着汽车,另一只手把烟斗里吸剩烟丝磕到烟灰缸里。

In addition, non-coated paper in high-humidity environment of sulfide, chemical pulp and fill applicatron dottle out acid melted, making of gold and silver monlchamus nigrescent who lose their luster.

，涂料在矮境况下，化学浆硫化物以及增添料洋磕酸矾土感化，也会使背上金、银不朱发黑而获得光华。