Trak
abbr. Track 轨道，路径（街道标志缩写）
🗣️ 情景例句
Have you ever studied French?
你学过法语吗？
Tickle-tickle.
咯吱！咯吱！
to discover whether they are mentally ill more often than other people are.
看一看他们是否比其他人更易患精神病。