或者叫实用动物学中心表示：“许多种类的琵琶鱼据了解是伏击型肉食动物。”
Faye Archell, or the Centre of Applied Zoologym said: 'Many species of Angler Fish are what are known as ambush predators.
衍生品扩大问题的趋势使人们要求监管者取缔某些种类的衍生品，他们认为这些衍生品引发系统风险的能力大大超过其经济实用性。
Derivatives' tendency to magnify problems has led to calls for regulators to ban some types.Their economic usefulness, it is argued, is far outweighed by their capacity to create systemic risk.
绣品的种类繁多，包括被面、枕套、衣、鞋和画屏等，既有巨幅条屏，又有袖珍小件，是观赏性与实用性兼备的精美艺术品。
The craftsmanship of Shu embroidery involves a combination of fine arts, aesthetics and practical uses, such as the facings of quits, pillowcases, coats, shoots and screen covers。
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