There's some variation depending on hair colour but for an average adult the strand count is 100,000, so losing 100 a day is not too bad.

不同的发色会有不同的变化，但是对于一个普通的成年人来说，头发的数量是10万根，所以每天失去100根也不是太糟糕。

youdao

The pond is deep enough for an adult to wade into but too deep for a child to stand.

这个池塘对一个成年人来说足够深，可以趟过，但对小孩子来说却深得无法站立。

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But when he suffered severe headaches as an adult, doctors identified the problem as migraine.

VOA: special.2010.03.30

Because the pond is deep enough for an adult to wade into but too deep for a child to stand.

这个池塘不深，一个成年人足以趟过,然而小孩子却无法站立。

普林斯顿公开课 - 人性课程节选

Milton had claimed there that he seemed to have all the outward appearances of an adult male, of a man, " but " inward ripeness doth much less appear."

弥尔顿说他看起来具备了,一个成年男人的外表，但“稚嫩的内心从没有遭受历练“

耶鲁公开课 - 弥尔顿课程节选

Both juvenile and adult specimens had evidence of downy feathers, but only an adult had wing-like structures.

BBC: Dinosaur feathers 'developed for courtship'

"'Peter' is a family show but also an adult show, and I think they'll probably sell it that way, " Ms. Goodman said.

WSJ: 'Peter and the Starcatcher' Finds New Life Off-Broadway

It's behaviour that is expected among unruly toddlers, but not from an adult.

BBC: Luis Suarez row: How often do adults bite?