Thm
abbr. 重矿物总量（Total Heavy Minerals）
🗣️ 情景例句
Susan called early this morning. Susan
一大早打电话来。
Don't you think you've eaten enough?
你不是吃的很多了吗？
He noticed the remains of a snake which was wound round the electric wires of a 16,000-volt power line.
他发现了缠绕在16，000伏高压线上的一条死蛇。