I keep astockof cassette tapes describing various relaxation techniques.
我储藏着一些讲述各种放松技巧的盒式磁带。
《柯林斯英汉双解大词典》
2
The existence in Paris at the Radium Institute ofastockof 1.5 grams of radium made a decisive contribution to the success of the experiments undertaken in the years around 1930.