Definition: dangerous Level: C2
这些化学品具有高度危险性，必须小心处理。
These chemicals are highly ___hazardous and must be handled with care.
处理这些材料可能有危险。
Working with these materials can be ___hazardous.
山区的道路在冬天变得很危险。
The mountain roads become ___hazardous in winter.
