| 单词 | pellicle | 
| 释义 | pelliclenoun  pel·li·cle  ˈpe-li-kəl    : a thin skin or film: such as    a    : an outer membrane of some protozoans (such as euglenoids or paramecia)    b    : a film that reflects a part of the light falling upon it and transmits the rest and that is used for dividing a beam of light (as in a photographic device)   | 
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