open·er /ˈopnɚ/
打開的人;開始者;開罐器
O·pen·er n.
1. One who, or that which, opens. “True opener of my eyes.”
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opener
n 1: the first event in a series; "she played Chopin for her
opener"; "the season's opener was a game agains the
Yankees"
2: a person who unfastens or unwraps or opens; "children are
talented undoers of their shoelaces" [syn: undoer, unfastener,
untier]
3: a hand tool used for opening sealed containers (bottles or
cans)