Udu
abbr. underwater detection unit 水下探测设备，水下探测器; user data unit 用户数据单元
🗣️ 情景例句
Oh, I'm sorry Susan isn't here.
啊 可惜Susan不在。
The doctor is often more to be feared than the disease.
医生往往比疾病更令人生畏。
'Would a later train get you to work on time?' asked the inspector.
“晚一点儿的车也能送您按时上班吗？”