this fall今年秋天thispron.这；这个adj.这个adv.这样；这么This was a defensive wall.这可是防御敌人的城墙啊。This is a wonderful world.这是一个奇妙的世界。This skirt is really nice.这条裙子真的很漂亮。This is a knotless thread.这是一根没有打结的线。This is my favourite song.这是我最喜爱的歌曲。This is an excellent meal.这是一顿很好的饭。This bread tastes of mold.这面包有霉味。This is an admirable plan.这是一个极好的计划。This is the daily scenery.这就是日常的风景。This grizzly liked people.这只灰熊却喜欢人。