?观测塔
... observer 测候员 observing tower 观测塔 obsidian 黑曜岩 ...
?测标
... 观测员 observer 测标 observing tower 黑曜岩 obsidian ...
双测高塔
观测塔
The research team sketched and photographed campus architecture the Monsters University campus boasts an ornate gate and bell tower and spent time observing students.
WSJ: 'Monsters University' Teaches Pixar About Prequels
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。