bat
作为名词：“bat”可以指动物蝙蝠，也可指棒球棍。
Look at the bat flying in the sky.

作为动词：“bat”意味着用杆棒击打。
He stepped up to the plate, ready to bat.

bark
作为名词：“bark”指的是树皮。
The rough bark of the tree was almost black in color.

作为动词：“bark”也表达了狗吠叫的声音。
The neighbor’s dog barks every time someone walks by the house.

current
作为名词：“current”表示水流、气流或电流。
The current of the river is too strong for swimming.

作为形容词：“current”表示现在的、当前的。
Stay updated with the current news.

date
作为名词：“date”可以指一种水果枣。
She added some dates to the cake recipe for extra sweetness.

又或者指约会、日子或者时代。
They went on a date to the movies last night.

duck
作为名词：“duck”指的是鸭子这种动物。
Look at the ducks swimming in the pond.

作为动词：“duck”表示快速低头或躲避。
You might have to duck when you go through that low doorway.

fine
作为形容词：“fine”意味着良好的、出色的或细小的。
He has a collection of fine wines at home.

作为名词：“fine”指的是罚款。
He paid a fine for parking in a no-parking zone.

left
作为形容词：“left”表示剩下的或位于左边的。
You have some food left on your plate.

作为动词：“left”是动词“leave”的过去式，表示离开。
She left the office early today.

light
作为名词：“light”主要指光线。
The light from the lamp was too dim to read by.

作为形容词：“light”意味着轻的或颜色浅的。
She prefers light colors for her bedroom walls.

nail
作为名词：“nail”可以指人的指甲。
She broke a nail while opening the jar.

另一方面，“nail”也指铁钉。
We need to hammer the nail into the wall to hang the picture.

point
作为名词：“point”表示点、要点或特定的地理位置。
He made a good point during the discussion.

作为动词：“point”意味着指向。
Point to the item you wish to purchase.

right
作为形容词：“right”表示正确的或合适的。
You got the answer right!

也可以表示方向，对应于左边的右边。
Turn right at the next street.

作为名词：“right”指正确的事、合法权利。
We must fight for our rights.

spring
作为名词：“spring”指春天这个季节。
The flowers bloom beautifully in spring.

还可以指弹簧。
The spring in the mattress is broken.

作为动词：“spring”意味着跳跃或快速移动。
The cat will spring onto the countertop when it smells food.

通过上述例子，我们可以看到每个单词如何在不同的上下文中呈现出不同的意义，因此学会灵活运用这些词汇是英语学习中的关键。在实际应用中，注意观察单词的上下文线索是理解其意义的重要步骤。随着你对这些多义词的逐渐熟悉，你会发现英语表达变得更加丰富和灵活。继续努力，你的英语水平必将达到新的高度！