Roa
abbr. received on account 计算标准; Reserve Officer Association <美国>预备役军官协会; return on assets 资产返还; right occiput anterior 前面的右枕骨
🗣️ 情景例句
This method should be widely promoted.
这种方法应该推广。
Open your book,please.
请把书打开。
Be careful!
小心点！别摔了！