Countertelescope
(宇宙射線)計數設備
??? 情景例句
I don't mind at all.
我一點也不介意。
When I slept, he was out.
當我睡了時候，他外出了。
Dressed in dark glasses and old clothes, they had taken special precautions so that no one should recognize them.
他們戴著墨鏡，穿著舊衣裳，特別小心以防別人認出他們。