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- if heterodyne repeater 中频外差增音机
- multihop heterodyne repeater system 多次反射外差式中继器系统
- You can do it this way if you care to. 如果你乐意的话，可以这样做。
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久，就会发酵。
- If I had my way, I'd go to the movies tonight. 假如我做得到的话，我今晚会去看电影。
- If we all muck in we'll soon finish the job. 如果我们大家都动手，一会儿就可以干完这件事。
- If you go to a private hospital you must pay. 如果你去一家私立医院就诊，你得付费。
- We should practice economy even if we are rich. 即使我们富裕了也仍应该厉行节约。
- If you do not say anything, you will not be called on to repeat it. 倘使你不发一言，就不会被要求重复再讲一遍了。
- If you don't say anything, you won't be called on to repeat it. 倘使你不发一言，就不会被要求重复再讲一遍了。
- Do you mind if I draw up the blinds? 我卷起窗帘你不反对吧？
- heterodyne repeater 外差中继站
- She will buy him a cardigan if her son asks her to. 如果她儿子要求的话，她就给他买一件羊毛衫。
- optical heterodyne repeater 光外差中继器
- I'm going to make sure if I'm going to Macao. 我要拿定主意我是否去澳门。
- He walked along as if favoring his sore foot. 他走路像是特别小心照顾他那只酸痛的脚似的。
- I scrubbed hard at the stain to see if I could get it off. 我使劲擦这个污迹，看能不能将它去掉。
- If everyone does his part, the project will surely be a success. 如果大家都尽责，这个项目肯定会成功。
- If today is Tuesday, the day after tomorrow will be Thursday. 假如今天是星期二，後天就是星期四。
