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
Uh, it must mean something.
噢 ,这很有意思。
I'll drown my sorrows.
我要消愁解闷。
and since most medical men in the Health Services are overworked and have little time for offering time-consuming and little-appreciated advice on such subjects as diet,