Billon
n. 比朗金(或银)合金
🗣️ 情景例句
Absolutely not.
绝对不必。
He's tired because he worked hard all day today.
他疲倦是因为他今天整天努力工作。
Later, for its personal safety and practical needs,
慢慢地，由于自身安全和实际需要，