Leaves are the flattened, gree part of plants. This is where photosynthesis takes place.
There are 60 different terms used to describe leaves. Pine needles are a conifer’s leaves.
yī ge rén zuò zài hú biān，kàn zhe hú lǐ de yě yā，tā shǒulǐ názhe yī piàn fēngyè，shēnbiān yě piāo zhe jǐ piàn。
A person sitting by the lakeside watching the wild ducks with a maple leaf in his hand and several others floating in the wind beside him.