/sti:l ||; stil/noun [U] a very strong metal that is made from iron mixed with another substance (carbon). Steel is used for making knives, tools, machines, etc. 钢
steel²
/sti:l ||; stil/verb [T] steel yourself to prepare yourself to deal with sth difficult or unpleasant 坚强起来（以面对困难或不快事情）: Steel yourself for a shock.你要作好准备，以免大吃一惊。