Tetracyclone
四环酮
🗣️ 情景例句
The bible is a literary classic of the ancient world.
圣经是一部古代文学经典著作。
John's parents will rejoice at his safe return.
约翰的双亲会因他的安然归来而惊喜万分。
A burst of activity associated with the laying of submarine cables soon confirmed the Challenger's observation that many parts of the ocean were two to three miles deep,
海洋中很多地方可深达两三英里，