One leaf is missing from this book.

这本书缺了一篇儿。

《新英汉大辞典》

One leaf is under the truck.

一片树叶飞到了一辆卡车底下。

youdao

They're mixed together like a salad and telling one leaf from another is hard.

他们像沙拉一样厮混在一起，很难从中挑出来某个人说这就是谁谁谁。

youdao

Sue obeyed. After the beating rain and fierce wind that blew through the night, there yet stood against the wall one ivy leaf.

VOA: special.2009.08.01

Some Arab Sheikh just paid one hundred million pounds for that apartment-- that penthouse apartment-- in that building and the same Sheikh is ordering a Airbus for his-- one of these big Airbus airplanes-- for his personal plane and he's having it plated with gold leaf.

某位阿拉伯的酋长花了一亿英镑,买了那套公寓里的顶层套间,这个酋长还订了架空客,就是那种大型空客,作为私人飞机,还镀上了金叶子

耶鲁公开课 - 金融市场课程节选

It also replicated the randomness of nature: as one leaf moves, other leaves followed.

WSJ: Culture City: An Opera Vet Tries to Raise The Circus

With reluctance, Reeves recommends, "a yard-wide spray with one of the leaf-toxic insecticides that include pyrethrin -- it's considered organic and doesn't smell, " he said.

CNN: Spring wedding, backyard disaster

Nissan North America is using Hawaii as one of its Leaf electric vehicle test markets along with Tennessee, Oregon, Washington, California, Arizona and Texas, according to the Honolulu Star-Advertiser.

FORBES: More Electric Cars Are Making Their Way Across the Country