Thm
abbr. 重礦物總量（Total Heavy Minerals）
??? 情景例句
I ventured to correct the teacher's mistake.
我鼓起勇氣去糾正老師的錯誤。
Let's go out to the airport. The plane landed ten minutes ago.
讓我們去機場。 飛機在10分鐘前降落。
The former method simply consists of setting an elephant to work and beating him until he does what is expected of him.
強硬法就是驅使象去干活，把它打到順從為止。