lined with排满
2.Ash up to three hundred meters thick covered more than six hundred square kilometers around the volcano.
up to多达
例句:I can take up to four people in my car.
我的汽车最多能坐四个人。
直到
例句:Up to now he's still quiet.
他直到现在仍保持沉默。
3.The hunters left spear points shaped out of stone that they used as weapons.
shape out形成,成……形,顺利进行