They cynically tried to trade off a reduction in the slaughter of dolphins against a resumption of commercial whaling.他们见利忘义地试图以减少屠杀海豚数量作为交换条件，重启商业捕鲸。This project is one of the first fruits of commercial co-operation bet...
The drill should be slowly rotated to ensure a clean hole.钻头必须缓慢转动，以保证钻孔平整光滑。The colours rotated round on a disc and were reflected onto the wall behind.圆盘上色彩流转，反射到后面的墙上。To combat this tendency, Carlson rotated his top e...