Quadslope
四重积分
🗣️ 情景例句
Ask him to stop by for a talk.
让他过来坐坐，聊聊天。
He ran like hell.
他拼命跑。
For him, caves have the same peculiar fascination which high mountains have for the climber.
对洞穴探险者来说，洞穴有一种特殊的魅力，就像高山对登山者有特殊魅力一样。