例句： You may push this button to call the elevator.

例句： He wanted to find some wine in the pantry.

例句： His knowledge of the language is fair.

例句： Don't be put off by his gruff exterior; he's really very kind underneath.

例句： The birch has smooth bark and slender branches.

例句： We patronize our neighbourhood stores.

例句： The farmer has a shepherd dog.

例句： A dense mass of black hair framed his face.

例句： This car polish is an effective shield against rust.

例句： The average of 4, 6 and 8 is 6.