[ti]
1. A metal element, which is widely used in industry, can be used to make steel and various instruments, and is also an indispensable substance in organisms.
2. Hard description: ~ fist. ~ the army. ~ ride. Brother Jin ~ Ma. ~ Han. ~ hooves. ~ wrist.
3. The description is firm: ~ clank. ~ discipline. ~ certificate.
4. describe integrity: ~ selflessness.
5. Describe a serious expression: He always looks sad.
6. Black: ~ Li. ~ green.
7. Name of weapon: hands-free ~.
8. Last name.