Thd
abbr. 双头龙（Two Heads Dragon）；总谐波失真（Total Harmonic Distortion）；螺纹（thread）
🗣️ 情景例句
First, we need to more public relations activities to promote understanding.
首先，我们应该更多地做公关活动以促进了解。
This man risks his life.
这个男人在冒着生命危险。
Then I arrived home at six o'clock yesterday evening. He telephoned again.But I didn't answer the phone!
后来，我昨晚6点钟回到家里。他又打来电话，但我没接。