Thd
abbr. 双头龙（Two Heads Dragon）；总谐波失真（Total Harmonic Distortion）；螺纹（thread）
🗣️ 情景例句
But I'm still a little worried about you, Ellen.
但我还是有点牵挂着你， Ellen。
I know the boy whose father is a guide.
我知道那个男孩的父亲是导游。
At that time, however, she was not only the largest ship that had ever been built, but was regarded as unsinkable,
当时，这艘轮船不仅是造船史上建造的最大的一艘船，而且也被认为是不会沉没的。