Train of wheels
[机] 齿轮系
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
n. 旋转；车轮（wheel的复数）
🗣️ 情景例句
Carl, you're sure you've never played?
Carl，你肯定你从来没玩过吗？
I really care for the students in my class.
我真喜欢人班上的学生。
and throwing a holy wreath into the current in the winter.
冬天往河中抛撒一个冬表花环。