Periodic sentence
圆周句（指主要意义至句尾才明白的句子）
🧩 词语组成解析
periodic
[,pɪrɪ'ɑdɪk]
adj. 周期的;定期的;回归的;间歇的，时而发生的;
🗣️ 情景例句
I can barely stand up by the end of a hard day.
辛苦了一天之后，我都站不起来了。
I wondered if you could buy me some pencils?
我不知道你是否能替我买铅笔？
The winch was again put into operation and one of the men started up the truck.
绞盘机再次启动，一位工人发动了急修车的引擎。