The secrets of the deep ocean | BBC Ideas – YouTube Dictation Transcript & Vocabulary
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Interactive Transcript & Highlights for Dictation
1.The ocean covers over 70% of our planet
2.And yet, what we know about it barely scratches the surface
3.Beneath its swell is a largely unexplored universe, until recently, beyond the gaze of human eyes
4.So why do we know so little about the ocean
5.For a start, immense pressure presents huge for divers and equipment alike
💡 Tap the highlighted words to see definitions and examples
Key Vocabulary (CEFR B2)
importantly
B1(sentence adverb) Used to mark a statement as having importance.
Example:
"More importantly, the ocean is key to almost all life on the planet."
challenges
A2A confrontation; a dare.
Example:
" For a start, immense pressure presents huge challenges"
jellyfish
A2An almost transparent aquatic animal; any one of the acalephs, especially one of the larger species, having a jellylike appearance.
Example:
"jellyfish that disintegrate if you try to catch them in a net."
undetectable
B1Unable to be detected; not detectable.
Example:
"undetectable to anyone who might be bobbing about on the surface."
particularly
B1(focus) Especially, extremely.
Example:
"particularly if you live inland."
photosynthesizers
B1A B1-level word commonly used in this context.
Example:
"Half the oxygen we breathe comes from marine photosynthesizers"
mediating
A2To resolve differences, or to bring about a settlement, between conflicting parties.
Example:
"mediating temperature by distributing solar heat around the planet. "
protein
A2Any of numerous large, complex naturally-produced molecules composed of one or more long chains of amino acids, in which the amino acid groups are held together by peptide bonds.
Example:
"the main source of protein for around three billion people. "
billion
A2(modern British & Australian, short scale) a thousand million (logic: 1,000 × 1,000^2): 1 followed by nine zeros, 109; a milliard
Example:
"the main source of protein for around three billion people. "
solving
A2To find an answer or solution to a problem or question; to work out.
Example:
"could hold the key to solving the urgent problem"
| Word | CEFR | Definition |
|---|---|---|
| importantly | B1 | (sentence adverb) Used to mark a statement as having importance. |
| challenges | A2 | A confrontation; a dare. |
| jellyfish | A2 | An almost transparent aquatic animal; any one of the acalephs, especially one of the larger species, having a jellylike appearance. |
| undetectable | B1 | Unable to be detected; not detectable. |
| particularly | B1 | (focus) Especially, extremely. |
| photosynthesizers | B1 | A B1-level word commonly used in this context. |
| mediating | A2 | To resolve differences, or to bring about a settlement, between conflicting parties. |
| protein | A2 | Any of numerous large, complex naturally-produced molecules composed of one or more long chains of amino acids, in which the amino acid groups are held together by peptide bonds. |
| billion | A2 | (modern British & Australian, short scale) a thousand million (logic: 1,000 × 1,000^2): 1 followed by nine zeros, 109; a milliard |
| solving | A2 | To find an answer or solution to a problem or question; to work out. |
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