Thm
abbr. 重矿物总量（Total Heavy Minerals）
🗣️ 情景例句
How long does it take you to get through a letter?
你写一封信要花多少时间？
Sure. Should I check your radiator?
好的。要不要检查一下散热器？
One had winter we watched the river creep up the lower meadows.
有一年冬天，天气不好，我们眼看着河水浸没了地势较低的草场。