Sdtv
abbr. standard definition television 标准清晰度电视
🗣️ 情景例句
This dictionary is more useful than I expected.
这字典比我所预期的更有用。
I eat dinner at about 7 o'clock.
我在大约7点钟吃晚饭。
May I wait?
我等他一下没关系吧？