Lesson 9: UNDERSEA WORLD

HỌC BỘ TỪ

seal
seal /siːl/
(verb) to close an envelope , etc. by sticking the edges of the opening together
Example: Now, we can see many seals at some aquariums.


reveal
reveal /rɪˈviːl/
(verb) to make something known to somebody
Example: He was jailed for revealing secrets to the Russians.


Dolphin
Dolphin /ˈdɑːlfɪn/
(noun) a sea animal (a mammal ) that looks like a large fish with a pointed mouth. Dolphins are very intelligent and often friendly towards humans. There are several types of dolphin .
Example: Dolphins are sometimes hunted in places such as Japan


Shark
Shark /ʃɑːrk/
(noun) a large sea fish with very sharp teeth and a pointed fin on its back. There are several types of shark , some of which can attack people swimming.
Example: Sharks are a group of elasmobranch fish characterized by a cartilaginous skeleton


Turtle
Turtle /ˈtɜːrtl/
(noun) a large reptile with a hard round shell that lives in the sea
Example: Turtles have appeared in myths and folktales around the world.


Whale
Whale /weɪl/
(noun) a very large animal that lives in the sea and looks like a very large fish. There are several types of whale , some of which are hunted.
Example: Whales are a widely distributed and diverse group of fully aquatic placental marine mammals.


jellyfish
jellyfish /ˈdʒelifɪʃ/
(noun) a sea creature with a body like jelly and long thin parts called tentacles that can give a sharp sting (= a painful wound on the skin)
Example: The jellyfish is a sea animal with a soft oval almost transparent body.


biodiversity
biodiversity /ˌbaɪəʊdaɪˈvɜːrsəti/
(noun) the existence of a large number of different kinds of animals and plants which make a balanced environment
Example: A new National Biological Survey will protect species habitat and biodiversity.


gulf
gulf /ɡʌlf/
(noun) a large area of sea that is partly surrounded by land
Example: A gulf is another name for a large bay.


at stake
at stake /ət steɪk/
(phrase)
Example: Thousands of lives will be at stake if emergency aid does not arrive in the city soon.


carnivore
carnivore /ˈkɑːrnɪvɔːr/
(noun) any animal that eats meat
Example: Lions and tigers are carnivores.


entrapment
entrapment /ɪnˈtræpmənt/
(noun) the illegal act of tricking somebody into committing a crime so that they can be arrested for it
Example: Sperm whale populations are at risk due to hunting and their accidental entrapment in fishing nets.


gestation
gestation /dʒeˈsteɪʃn/
(noun) the time that the young of a person or an animal develops inside its mother’s body until it is born; the process of developing inside the mother’s body
Example: The gestation period of rats is 21 days.


herbicide
herbicide /ˈɜːrbɪsaɪd/
(noun) a chemical that is poisonous to plants, used to kill plants that are growing where they are not wanted
Example: Herbicides are widely used in agriculture to kill unwanted plants.


krill
krill /krɪl/
(noun) very small shellfish that live in the sea around the Antarctic and are eaten by whales
Example: Krill are very small animals with a hard outer shell which live in the sea and are eaten in large numbers by some types of whale.


offspring
offspring /ˈɔːfsprɪŋ/
(noun) a child of a particular person or couple
Example: In the case of the Guinea pig, the number of offspring varies between two and five.


organism
organism /ˈɔːrɡənɪzəm/
(noun) a living thing, especially one that is extremely small
Example: Amoebae and bacteria are single-celled organisms.


sperm whale
sperm whale /ˈspɜːrm weɪl/
(noun) a large whale that is hunted for its oil and fat
Example: The sperm whale is a large whale with a very large long head.


starfish
starfish /ˈstɑːrfɪʃ/
(noun) a flat sea creature in the shape of a star with five arms
Example: The starfish is a beautiful fish.


submarine
submarine /ˌsʌbməˈriːn/
(noun) a ship that can travel underwater
Example: A submarine can travel underwater.