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- 2012-2-28
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- 1970-1-1
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01:36
Volcabulary
thawing: thaw- if ice or snow thaws or is thawed, it becomes warmer and turns into water.
Exapmle: When the lakes start to thaw, it's dangerous to go skating.
discrete from: [FORMAL] clearly separate
Example: The developing insect passes through several discrete stages.
Main idea: The melting glaicers contribute water to ocean almost as much as the ice sheets in pole do.
02:44
Volcabulary
stake one's claim: to say publicly that you think you have a right to have or own something.
Example: Both countries have staked a claim to the islands.
plankton: the very small forms of plant and animal life that live in water, especially the ocean, and are eaten by fish.
ramp up: to start happening more quickly, or to make something do this
Example: Two new steel mills are ramping up production.
enigmatic: mysterious, and difficult to understand or explain.
Example: an enigmatic smile
Main idea: The sponge grow much faster than scientists have previously thought due to ice shelf bust.
02:28
Volcabulary
trajectory: [TECHNICAL] the curved path of an object that is fired or thrown through the air.
inflate: if you inflate something, or if it inflates, it fills with air or gas so that it becomes larger.
Example: We inflated the ballon with helium.
whiz: to move very quickly, often making a sound like something rushing through the air.
Example: She stood by the side of the road watching the cars whiz by.
Main idea: New data prove that solar system has a tail.
02:31
Volcabulary
avaricious: greedy
palaeontologist: 古生物学家
scavenge: if an animal scavenges, it eats anything that it can find.
vertebra: one of the small hollow bones down the middle of your back.
Main idea: The latest finding shows that T. rex hunt for live prey.
02:32
Volcabulary
intriguing: something that is intriguing is very interesting because it is strange, mysterious, or unexpected.
Example: a strong story, with intriguing, realistic characters.
phony: false or not real, and intended to deceive someone
Main idea: Other experts' opinion on the discovery
06:17
Main idea: Natural habitats such as costal forests, coral reefs, sand dunes and wetlands protect the US coastline. Scientists try to identify where and how much protection comes from different habitats. |
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