Uld
abbr. 超声探漏器（Ultrasonic Leak Detector）；超低剂量（ultra-low-dose）
🗣️ 情景例句
He gives his harness bells a shake
摇动， 绳上的铃铛
Where am I supposed to pay the excess train fare?
我应该在哪里补票？
As it was extremely narrow, the man was unable to move,
由于烟囱太窄，那人无法动弹。