periscope
/'periskәup/
雅思GRE
BNC词频: #43,157
当代词频: #26,344
中文释义
n. 潜望镜(镜头)
[化] 潜望镜
英文释义
n. an optical instrument that provides a view of an otherwise obstructed field
n. 潜望镜(镜头)
[化] 潜望镜
n. an optical instrument that provides a view of an otherwise obstructed field