Sometimes I carry a book out under the pear trees and sit in the dappled shade...有时我会拿一本书去梨树底下，坐在斑驳的树影中看。...first-rate plans which sit on the shelf.不被采用的最佳方案Let's sit down and then you can say what's up.咱们先坐下来，...
Let's sit down and then you can say what's up.咱们先坐下来，然后你把事情告诉我。We can't just sit by and watch you throw your life away.我们不能眼睁睁地看着你毁掉自己的生活。Now sit down and make yourself comfortable. You must be very tired....
Endogenic rocks are not clastic.内生岩石不是碎屑状的.The crack in the coal seam is divided into two kinds: endogenic crack and exogenous crack.煤层中的裂隙分两种,即外生裂隙和内生裂隙.Starting from the present research situation, endogenic and exogen...