深邃莫测的英文翻译是（ ）
A、the nationwide fitness campaign
B、sport facilities
C、average life expectancy
D、be of immeasurable depth
【正确答案】：D
【题目解析】：深邃莫测的英文翻译是be of immeasurable depth全民健身运动 the nationwide fitness campaign
平均预期寿命 average life expectancy
体育设施 sport facilities
