B2 · 5 minutes · Science

Coral reefs under pressure

Part of a talk about ocean life and the threats it faces.

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What you’ll practise

Follow facts and causes in an academic talk.

Words to know

reef: A line of rock or coral near the surface of the sea.
species: A group of animals or plants of the same kind.
bleaching: When coral turns white because it is under stress.

Words at this lesson’s level (B2)

At B2, you probably know about 98% of the words in this lesson.

The other words of this lesson are at B2 or below.

Word levels from the CEFR-J Wordlist 1.5 (Yukio Tono, Tokyo University of Foreign Studies); words not in it count as above B2. Your level is the one you chose in the level guide, otherwise the lesson’s.

Source

Original exercise by Joy English. Synthetic voice: Kokoro-82M (Apache-2.0).

Original script; synthetic narration.

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