Thd
abbr. 双头龙（Two Heads Dragon）；总谐波失真（Total Harmonic Distortion）；螺纹（thread）
🗣️ 情景例句
Haven't you finished balancing that checkbook?
你还没有核对完支票簿帐目吗？
What alternatives do I have?
我有什么选择？
We were getting very worried.
我们都非常担心呢。