更多suber例句

1. When the tree is some five years old, its whole energy is directed toward the increase of the suber.
2. But such a thing is rarely allowed to happen: the suber is of too much value to man.
3. In one species of oak this layer--which is called the suber--assumes a peculiar character and is of remarkable thickness.
4. That the suber of the Romans was our cork-tree, is generally and with justice admitted.
5. This name is as much of a mystery as the word “Suber” and its origin can only be guesswork.