🧩 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;
event
[i'vent]
n. 事件，大事;活动，经历;结果;运动项目;
🗣️ 情景例句
They ask questions like Do you have any brothers or sisters?.
他们常问一些像“你有兄弟姐妹吗？”。
I came to the conclusion that he'd been lying.
我看他是在说谎。
If they had only had one more child, the fact would have passed unnoticed.
如果他们只添了1个孩子，这件事本来就不会引起任何人的注意。