R.u.l.
[医] 右上叶(肺)
🗣️ 情景例句
Notices are displayed on the bus asking people not to smoke.
公共汽车上张贴着请勿吸烟的公告。
The more we study, the more we discover our ignorance.
学得越多，就越发觉自己无知。
Whenever Arthur was angry, he would walk out of the room.
阿瑟生气时，就会出去。