Ihd
abbr. International Hydrological Decade 国际水文十年（计划）
🗣️ 情景例句
Ah. She's out.
啊。她出去了。
Rome was not built in a day.
罗马并非一日可建成；坚持必成。
' Just then, the telephone rang.
”正在这时，电话铃响了。