Studying
v. 学习；研究（study的ing形式）
🗣️ 情景例句
Stopping by Woods on a Snowy Evening.
雪夜林边小驻足。
Quality is even more important than quantity.
质量比数量更为重要。
Once we get down to the oil, it usually flows to the surface because great pressure,
一旦到达油层，石油就会由于地下巨大的压力流到地面上来，