self-locking
self-lock ing ▶adjective locking itself shut or in a fixed position: self-locking screws.
self-locking |sɛlfˈlɒkɪŋ | ▶adjective locking itself shut or in a fixed position: self-locking screws.
s è lf-l ó cking 形容詞 自動施錠 [ロック ]式の .
The Wordsmith Dictionary
The Wordsmith Dictionary