The Big Stone River is about 6 km long and is made up of many small rocky rivers.It cuts through a thick forest like a real river.It is about 200 meters wide and in some places, it is up to 700 meters wide.Some of the rocks weigh up to 10 tons each and the layer(层) of roc...
21. That’s up to you to decide. 那由你决定。 be up to (doing) sth. 胜任;适合 be up to sb.( to decide.) 由某人决定 如:He isn’t up to watching the flowers. 怎么哪? what’s worse: 更糟糕的是 so far: 迄今为止;到现在为止 What’s up?= What’s wrong?= What’s...