opener

opener

名词 opener:

the first event in a series

a person who unfastens or unwraps or opens

同义词：undoer, unfastener, untier

a hand tool used for opening sealed containers (bottles or cans)

形容词 open:

affording unobstructed entrance and exit; not shut or closed

同义词：open, unfastened

affording free passage or access

同义词：open

with no protection or shield

同义词：exposed, open

open to or in view of all

同义词：open

used of mouth or eyes

同义词：open, opened

not having been filled

同义词：open

accessible to all

同义词：open

not defended or capable of being defended

同义词：assailable, undefendable, undefended, open

(of textures) full of small openings or gaps

同义词：loose, open

having no protecting cover or enclosure

同义词：open

(set theory) of an interval that contains neither of its endpoints

同义词：open

not brought to a conclusion; subject to further thought

同义词：open, undecided, undetermined, unresolved

not sealed or having been unsealed

同义词：open, opened

without undue constriction as from e.g. tenseness or inhibition

同义词：open

ready or willing to receive favorably

同义词：receptive, open

open and observable; not secret or hidden

同义词：overt, open

not requiring union membership

同义词：open

possibly accepting or permitting

同义词：capable, open, subject

affording free passage or view

同义词：clear, open

openly straightforward and direct without reserve or secretiveness

同义词：candid, open, heart-to-heart

ready for business

同义词：open