http://www.pons.de/produkte/3-12-517841-X/（牛津大学出版社授权产品）
英语
西班牙语
I. unknown [美 ˌənˈnoʊn, 英 ʌnˈnəʊn] 形
1. unknown (not known):
2. unknown (not famous):
- unknown writer/play/singer
-
II. unknown [美 ˌənˈnoʊn, 英 ʌnˈnəʊn] 名词
1. unknown U (phenomenon, experience):
2. unknown C 数学:
- unknown
-
3. unknown C (person):
- unknown
-
西班牙语
英语
-
- unknown
-
- unknown
- semidesconocido (semidesconocida)
- virtually unknown
- semidesconocido (semidesconocida)
- virtual unknown
-
- unknown
-
- unknown
-
- hitherto unknown techniques
- desconocido (desconocida)
- unknown
-
- unknown
- incógnito (incógnita)
- unknown
在《PONS词典》中的词汇
英语
西班牙语
I. unknown [ˌʌnˈnəʊn, 美 -ˈnoʊn] 形
II. unknown [ˌʌnˈnəʊn, 美 -ˈnoʊn] 名词
2. unknown (person):
- unknown
-
西班牙语
英语
在《PONS词典》中的词汇
英语
西班牙语
I. unknown [ˌʌn·ˈnoʊn] 形
II. unknown [ˌʌn·ˈnoʊn] 名词
2. unknown (person):
- unknown
-
西班牙语
英语
单语范例（未经PONS编辑处理）
Another distinguishing feature of the city's relief is the large quantity of small rivers and brooks.
en.wikipedia.org This new index, however, doesn't do anything to distinguish growth or reduction in quantities sold from price changes.
en.wikipedia.org With the whole-part model, students would draw a rectangular bar to represent a whole larger quantity, which can be subdivided into two or more parts.
en.wikipedia.org It sets out the quantity and the time frame.
en.wikipedia.org The country's woodlands contained over forty-five species of wood suitable for export, but fewer than ten species were exported in quantity.
en.wikipedia.org