Endothorax
胸内骨
🗣️ 情景例句
Good day.
再见！
Very well, sir. Please fill out this remittance slip.
好的，先生。请填写这张汇款通知书。
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，