Porperties: Blackpalm powder, solve in water, water solution is.
性状：黑棕色粉末，溶于水，溶液不稳定。
2
A black bear cub peers from a Cottonwood tree after being scared up there by a visitor to the Whitewater Canyon nature preserve near Palm Springs, California.
加利福尼亚棕榈泉附近的白水大峡谷自然保护区里面，一头年幼的黑熊被游人吓到后从一颗三角叶杨后面窥视。
3
The townspeople drew back enough to make room for it and then formed a close semicircle about it, looking curiously at the palm leaf which lay across the black cover. No one said anything.