Wh-question
wh-疑问句；特殊疑问句
🧩 词语组成解析
abbr. 瓦特小时（Watt Hours）；白宫（White House）；白色（white）
🗣️ 情景例句
I'm having some trouble keeping food down.
我吃东西时感到困难。
Thank you for sending it to me.
谢谢你把它送给我。
They were in fashion last year and the year before last.But they're not in fashion this year.
这鞋在去年和前年时兴，而今年已不流行了。