Peca
abbr. Petroleum Equipment Contractors Association <美国>石油设备承包商协会
🗣️ 情景例句
Good morning, Ellen.
早安， Ellen。
The chief aim of man is not to get money.
人生的主要目的不是为了挣钱。
has spent his lifetime studying active volcanoes and deep caves in all parts of the world.
花了毕生的精力来研究世界各地的活火山和探洞。