eucalyptus
/ˌjuːkəˈlɪptəs/(亦作eucalypt)
noun
( pl. eucalyptuses或eucalypti /ˌjuːkəˈlɪptaɪ/)
1- a fast-growing evergreen Australasian tree that has been widely introduced elsewhere. It is valued for its timber, oil, gum, resin, and as an ornamental tree.桉树。亦称
GUM1 , GUM TREE.
1.1
- Genus Eucalyptus, family Myrtaceae: numerous species.桉属, 桃金娘科： 众多种。
1.2
- （亦作eucalyptus oil）[mass noun] the oil from eucalyptus leaves, chiefly used for its medicinal properties桉（树）油, 桉叶油。
词源
modern Latin, from Greek eu 'well'+kaluptos 'covered' （from kaluptein 'to cover'）, because the unopened flower is protected by a cap.