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
Don't fly off the handle.
不要这么冲动。
At times, the smell from the gutter can be rank.
从下水沟时常冒出刺鼻的气味。
and we have to lower into the ground and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.