Preselector
[计] 预选器, 预选程序
🗣️ 情景例句
He never drinks except on special occasions.
除非在特别场合，他从不喝酒。
If it doesn't rain tomorrow, will you do a favor for me?
如果明天不下雨的话，你会帮我忙吗？
Are these new prices acceptable, then?
那么，这些新价格可以接受吧？