Root circle
[机] 齿根源
🧩 词语组成解析
root
[rut]
n. 根，根源;原因，本质;祖先;[乐]和弦基音;
vt. 使生根;使固定;根源在于;欢呼，喝彩;
vi. 生根;根除;
🗣️ 情景例句
If it sounds like an interesting place to visit, that's because it is.
如果它听起来像是个有趣的地方，那是因为它的确是这样。
Nothing is impossible to willing mind (or heart).
有志者事竟成。
Perhaps more than half a year.
大约半年多吧。