It trebled the output of grain, and the welfare of the people has proven largely dependent on their food supply. 鲁伯特·萨金特·荷兰.历史性发明.
Our debts have been paid off, our capitals have increased, and our lands trebled themselves in value. 鲁伯特·萨金特·荷兰.历史性发明.
I trebled the cable to make it stronger, and for the same reason I twisted three of the iron bars together, bending the extremities into a hook. 乔纳森·斯威夫特.格列佛游记.
The dark deformity of the expression which had just left her face lowered on it once more, with doubled and trebled intensity. 威尔基·柯林斯.白衣女人.