Domestic Ivory Trade Control System for Japan;
日本的象牙国内贸易监控体制
Let m and n be positive integral numbers, f(m ,n) denotes the numbers of necklaces that are composed of n beads with m colors, and g(m,n) denotes the numbers of necklaces that are composed of m red beads and n white beads.
设m、n为正整数,f(m,n)表示用m种颜色的珠子做成的不同n-珠项链的数目,g(m,n)表示用m颗红珠和n颗白珠做成的不同项链的数目,本文给出了f(m,n)和g(m,n)的表达式。
Revisiting The Necklace;
玛蒂尔德,不该被忽视的美德——关于《项链》的再思考
The Necklace is the representative works of Maupassant.
《项链》是法国短篇小说巨匠莫泊桑的代表作。
A tusk, especially an elephant's tusk.
象牙长牙，特别指象牙
An article made of ivory.
象牙雕象牙制的艺术品
A substance resembling ivory.
仿象牙品类似象牙的物品
Composed or constructed of ivory.
象牙制的由象牙构成或者组成的
ivory Black (Black ivory)
象牙墨(象牙烧制的黑色颜料)
They have two long teeth called tusks.
它们的两颗长长的牙齿被称为是象牙。
What can you expect from a dog But a Bark?
狗嘴里吐不出象牙。
lead anivory-tower existence
过象牙塔式的生活.
a priceless collection of ivories
象牙的稀世珍品收藏.
It is carved from ivory.
它是用象牙雕成的。
The flower was carved out of ivory(wood)
这花儿由象牙(木头)雕成。
He carved out a flower of ivory.
他雕出了一朵象牙花。
A similar substance forming the tusks or teeth of certain other mammals, such as the walrus.
牙齿成分形成象牙或某些哺乳动物牙齿的类似物质，如海象
African elephant having enormous flapping ears and ivory tusks.
耳朵大而飘、有象牙的非洲大象。
Some hunters kill elephants to sell their tusks.
一些猎人为了卖掉象牙而捕捉大象。
Yes, in my impression I seldom saw such Dao with ivory handle.
是啊，印象中很少见到这种刀象牙柄的。
people are poaching elephants for their ivory.
人们为了获得象牙而偷猎大象。
Because of the ivory trade, elephant numbers fell quickly.
由于象牙贸易，大象的数量急剧下降。