hard wood

基本解釋

He hammered some nails into the piece of hard wood.
他將一些釘子敲入那塊堅硬的木頭中。
cfshenova.blog.163.com
Any of various chiefly tropical trees of the genus Diospyros, having hard wood and orange-red fruit that is edible only when completely ripe.
柿樹一種柿樹屬的熱帶主要樹種，有堅硬的木質(zhì)，和完全成熟后才可食用的桔紅色果實。
This paper deals with the drying characteristics of five hard wood species from Fujian Province by testing at 100℃, so as to further draw up suitable drying schedules.
本文論述了利用百度試驗法，查明福建五種闊葉樹材的干燥特性，以進一步制定合理的干燥工藝。

He was sitting at his desk so it was very hard to get him out with all the rubble and wood around him,"

She had dirty grey hair around a face cut from a hard wood with a blunt tool.
NPR: Excerpt: 'The Broken Shore'
The living room has hard wood floors, and it was easier to clean up than the carpet in their bedrooms.
FORBES: What True Blood Vampires Taught Me About Parenting
Keeping up-to-date on insurance policy assessments is also vital if you have renovated your digs, like redoing the windows, installing new hard wood floors or finishing the basement.
FORBES: As 'Frankenstorm' Threatens, Last-Minute Ways To Disaster-Proof Your Home

Hardwood is wood such as oak, teak, and mahogany, which is very strong and hard.