"It's truly mysterious!" The world's first footage of the deep-sea fish "Coryphaenoides yaquinae" has caused a stir, with many saying, "I've watched it on repeat many times."

Select a sentence or use the bottom play control. The current sentence is highlighted during playback, and you can move backward, forward, or seek to repeat it.

Turn translations or readings on in learning settings, and select unfamiliar words to view their meanings. Try understanding first, then reveal only the help you need.

Start with the displayed difficulty, then listen to or read a short section. If you understand the main idea with only a few lookups per sentence, it is usually suitable.