I only use one single head.

我用一头颅兮而无万夫。

youdao

The large single head balances the smaller child on the right.

巨大的头和右边的小孩形成平衡。

youdao

Single head tulip bud. Bright red, yellow, purple, white, green, red gold.

单头郁金香苞，有大红、黄色、紫色、白色、绿色、红金色。

youdao

Each hair on a person's head grows from a single tube-like hole in the skin called a follicle.

VOA: special.2011.04.05

And then,when my head was well in the room, I undid the lantern just so much that a single thin ray of light fell upon the vulture eye.

VOA: special.2009.05.16

"Every single head was up in the locker room, " Law said of Denver's 9-4 halftime deficit.

WSJ: Denver rallies to beat UNC 12-11 in lax quarters

The removal of the President, the single head of the executive branch, obviously is in an entirely different category.

CNN: Sen. Sarbanes' closed-door impeachment statement

In fact, one of the things that some Republican senators have objected to is having a single head of the agency.

WHITEHOUSE: The White House