Thm
abbr. 重矿物总量（Total Heavy Minerals）
🗣️ 情景例句
Have you ever been to Niagra Falls?
你去过尼亚拉加瀑布吗？
Hello, it's a pleasure to meet you all.
你们好，很高兴见到大家。
Is there anything else that you want me to get?
您还要我买别的东西吗？