可燃粉尘的定义:Is your preferred weapon the sword?是什么意思?

Is your preferred weapon the sword?是什么意思? Is your preferred weapon the sword? Thank you for your email. What material is this??? Can we arrange samples to Thank you for your email. What material is this??? Can we arrange samples to what is your fun ? your computer is infected Your computer is infected! What is your name? what is your opinion?? what is your name?