Trihedrons
(trihedron 的复数) n. 三面体
🗣️ 情景例句
Tell me about your book.
谈谈你的书吧。
Don't trust him, he's lying.
别相信他，他在乱盖。
How long can you hold your breath underwater?
你在水里屏住气不呼吸能呆多久？