【英语时差8，16】海洋最需
时间：2019-01-22 作者：英语课 分类：英语时差8，16
英语课
Don: Today, on A Moment of Science, the Ocean's Most Wanted. Sure, they might seem innocent and downright lovely in your aquarium 1, but released into the wild, your plants and fish can knock aquatic 2 ecosystems 3 right out of balance. Today's invasive species: the water hyacinth.
Ya?l: Don, aren't you being a little melodramatic?
D: Not at all. Native to the Amazon basin, but considered an ornamental 4 aquarium plant, the water hyacinth was introduced to Florida in 1884. By the mid-1950s, water hyacinths were clogging 5 Florida's water ways and interfering 6 with navigation, not to mention displacing the native species. Clean up took millions of dollars, and they're still spreading on every continent except Antarctica.
Y: Hmm! that is a sad story.
D: And here's the thing. Guess how many of the species on the International Union for the Conservation of Nature's list of the one-hundred worst invasive sp
n.水族馆，养鱼池，玻璃缸
- The first time I saw seals was in an aquarium.我第一次看见海豹是在水族馆里。
- I'm going to the aquarium with my parents this Sunday.这个星期天，我要和父母一起到水族馆去。
adj.水生的，水栖的
- Aquatic sports include swimming and rowing.水上运动包括游泳和划船。
- We visited an aquatic city in Italy.我们在意大利访问过一个水上城市。
n.生态系统( ecosystem的名词复数 )
- There are highly sensitive and delicately balanced ecosystems in the forest. 森林里有高度敏感、灵敏平衡的各种生态系统。 来自《简明英汉词典》
- Madagascar's ecosystems range from rainforest to semi-desert. 马达加斯加生态系统类型多样，从雨林到半荒漠等不一而足。 来自辞典例句
adj.装饰的；作装饰用的；n.装饰品；观赏植物
- The stream was dammed up to form ornamental lakes.溪流用水坝拦挡起来,形成了装饰性的湖泊。
- The ornamental ironwork lends a touch of elegance to the house.铁艺饰件为房子略添雅致。