n. 水平;平面;飞机;木工刨;
adj. 平的,平坦的;
vt. 用刨刨平;小船等擦着水面疾驶;
vi. 鸟滑翔;
plain, plan 表”平的,光滑的”
🗣️ 情景例句
Morning, Philip.
早安, Philip。
So I've heard.
我听说是这样。
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.