The difference is mainly in the tone not in the drainage pattern or landform.所不同的主要在色调,而不在于水系型式或地形.These mathematical definitions make basic landform shape concept of limit determine nat.继而给出了如斜坡、山、山脊、凹地、谷地、鞍部等基本地貌形态的数学定...
I don't know why he bothers me with this kind of rubbish.我不明白他为何用这种烂事来烦我。I'll put a flea in his ear if he bothers me once more.如果他再来打扰的话,我就要对他不客气了.She never bothers about clothes.她从不为穿着烦心....