Sif
abbr. selective identification feature 选择识别特征
🗣️ 情景例句
What's your occupation?
你的职业是什么？
What do you do in your spare time?
空闲时间你干什么？
You see, we've been in China for over two years now, so we are travelling back to England soon for a holiday.
您知道，我们到中国已有两年多时间了，所以不久后我们就要回英国度假了。