请问 class 和 lesson 都是“课”的意思时有什么区别?请问以下两个句子里的 lessons 和 classes 是否可以相互换过来?Our English teacher was preparing the lessons when I came into the office.Our English teacher was preparing for classes every day.麻烦专家老师...
...NT: Does... mm, do scientists actually know about sauropods, from looking-I mean, how much can we actually learn, looking at some ancient bones...compared to all we can learn from modern animals?MALE STUDENT: And comparisons between animals that lived millions of years apart-w-well, it jus...
...结构只有“for sb to do”这一种,但是这里的“of sb to do”和“for sb to do”逻辑很像,都是“sb”做后面不定式的逻辑主语。那这里可否分析为“of a small planet”做“likelihood”的第一个定语,“to collide with the earth”做“likelihood”的...