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
when the dog scratched on the front door.
当那狗在抓前门时。
There are forests here,and lumbering is important.
在这里有森林，木材业很重要。
German is a more difficult language than English is.
德语比英语难学。