Tou
abbr. 追踪装置（Trace Operate Unit）
🗣️ 情景例句
Can you give me a hand with my homework?
你能帮忙教我做家庭作业吗？
What is the longest river in this country?
这个国家最长的河是什么？
What invariably happens is that a great number of things choose to go wrong at precisely the same moment.
情况经常是这样的，许许多多的事情都偏偏赶在同一时刻出问题，