Pannic acid
[化] 绵马酸
🧩 词语组成解析
🗣️ 情景例句
How ofter have met with our competitors?
你多久遭遇我们的竞争对手一次？
I'll think it over.
我仔细考虑一下。
for even though it was still summer, it rained continually and it was often bitterly cold.
因为即使那时仍为夏季，但雨总是下个不停，而且常常冷得厉害。