Mineral pitch, Jews' pitch, or compact native bitumen. It is brittle, of a black or brown color and high luster on a surface of fracture
n a brittle transparent candy made by melting and cooling cane sugar
a light strong brittle grey toxic bivalent metallic element
n a light strong brittle grey toxic bivalent metallic element v have the quality of being
n a heavy brittle diamagnetic trivalent metallic element (resembles arsenic and antimony chemically)
acid brittleness
[化] 酸脆; 酸脆性
black brittleness
[化] 低温脆性
blue brittleness
[机] 蓝脆性
brittle bladder fern
[网络] 脆性膀胱蕨
brittle bones
[医] 脆骨, 成骨不全
brittle bush
[网络] 脆的灌木
brittle damage
[化] 脆性损伤
brittle fern
[网络] 脆蕨
brittle fiber
[机] 脆纤维
brittle fracture
[化] 脆性破坏
brittle maidenhair
[网络] 脆脆的铁线
brittle maidenhair fern
[网络] 脆的铁线蕨
brittle material
[化] 脆性物料
brittle point
[化] 脆折点
brittle rupture
[化] 脆裂; 脆性断裂; 脆断
brittle silver ore
[机] 脆银矿
brittle star
海蛇尾
brittle temperature
brittle transition temperature
[化] 变脆点
brittle willow
脆柳