Aeroradioactivity
大气放射性(强度)
🗣️ 情景例句
With your background and experience,
依你的背景和经验，
Think all you speak, but speak not all you think.
想想你所说的一切，不要全部说出你所想的。
On one hand, I was anxious to leave.
一方面，我急于离开山洞。