The mud is too viscous, you must have all the agitators run.泥浆太稠，你们得让所有的搅拌机都开着。Liquids may not be too viscous or be susceptible to crystallization.液体不能太粘稠，也不能易结晶。The viscous drags is equal to the resultant force.粘阻力等于合力....
It was pointing outward at an angle of 45 degrees.它向外指向 45 度角的方向。He controlled the car until it was pointing forwards again.他稳住车子，直到它又朝前开去。He found it hard to work with a microphone pointing at him.他发觉对着麦克风他很难专心工作。He con...