n. 椅子;大学教授职位;主持会议的主席(的席位或职位);讲座;
vt. 主持;使…入座;使就任要职;
🗣️ 情景例句
Just listen to the sound.
听听这些声音。
Would anyone like seconds?
谁要换其他的饮料?
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.