n. 专家,能手;权威;行家,高手;熟练者;
adj. 专家的;(技术)熟练的;老手;需要专门知识(或技术)的;
vt. 以专家身份研究(或检查),像专家那样研究(或检查);由专家审读(书籍等);
vi. 做专家工作,担任专家,成为高手(或能手);
peri, piri 表穿过,通过,尝试#词根助记:ex出+peri→钻进去又钻出来,完全的体验→有经验的
🗣️ 情景例句
What year are you?
你是哪一级的?
All is well that ends well.
结果美满都是好的。
However, he had at last been allowed to send a fax in which he informed the editor that the he had been arrested while counting the 1,084 steps leading to the fifteen-foot wall which surrounded the president's palace.