Rowland circle
[化] 罗兰圆
🧩 词语组成解析
n. 罗兰（男子名）
🗣️ 情景例句
The way to learn a language is to practice speaking it as often as possible.
学习一门语言的方法就是要尽量多地操练说出它来。
If he doesn't, will you fix it?
如果他不，你会修理它吗？
The doctor is taking my blood pressure.
医生正给我量血压。