Ero
abbr. 有效反流口面积；紧急救济行动专家咨询小组；色情的东西（网络用语, 来自日语）
🗣️ 情景例句
I was faced with a new problem.
我面临了新的问题。
I ate oatmeal for breakfast yesterday.
我昨天早饭吃的是麦片。
because this is easier to shape than other kinds.
因为燧石较之其他石头更容易成形。