Periodic purpura
[医] 周期性紫癜
🧩 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;
n. 紫癜\\n[医] 紫癜
🗣️ 情景例句
Yes, I know that.
是的 ，我知道。
Do you like plays?
你喜欢看戏？
and you avoid the frustration of arriving at the very moment when the train is drawing out of the station and being unable to get on it.
而且可以避免那种正好在火车驶出站时赶到车站，因上不去车而感到的沮丧。