Pius ix
un. 庇护九世(1792—1878,罗马教皇,任期1846—1878)\\n
🧩 词语组成解析
n. 庇护；孝顺
abbr. 离子交换（Ion Exchange）
🗣️ 情景例句
Is it all right if I use my credit card?
如果我使用信用卡行吗？
No.
不。
The weather was very cold, and many people were ill.
天气非常冷，很多人生了病。