Rowland circle
[化] 罗兰圆
🧩 词语组成解析
n. 罗兰（男子名）
🗣️ 情景例句
with the question of whether I go back to work or not.
为我是否回去工作这个问题。
His parents anticipate Gary's return home will be soon.
凯利的双亲认为他不久就会回家。
The deepest holes of all are made for oil, and they go down to as much as 25,000 feet.
在所有洞穴中，为寻找石油所钻的洞是最深的，这些洞可深达25，000英尺。