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This is a A1 (beginner) English article about study: mercury lost more size. Read the article below, then check the key words and test your understanding with 4 exercises. You can also listen to the audio and tap any word to see its meaning.
Tap any underlined difficult word to see its definition in your language and hear it pronounced.
Multiple-choice, fill-in-the-blank, and ordering tasks check that you understood what you read.
Listen to each sentence, then type what you hear word by word. Trains your ear and spelling.
Read a sentence, then reconstruct it from memory by filling in the blanks. Active recall locks vocabulary in.
Every definition is context-aware — translated based on how the word is used in this article, not a dictionary.
a big round thing that goes around the Sun
work to learn new facts
a person who studies the world
a ship that goes into space
how big something is
The middle of the planet is cold.
In November, a spaceship gets to the planet.
Scientists count the lines on the planet.
The planet is far from the Sun.
What does the new study say about the planet?
What do the lines on the planet look like?
Tap a word, then tap its meaning.
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