New Words：

quantity [ˈkwɒntəti] n. 量；数量
a quantity of 大量的;一些;许多
quantities of 大量的;一些;许多

Sample Sentences：

A quantity of food was on the table.
There is a small quantity of water left in the bottle.
They needed large quantities of wood for building houses.
They spent quantities of money on building a huge bridge.

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