Locksmith
来自Big Physics
wiktionary
From Middle English loksmith; equivalent to lock + smith.
etymonline
locksmith (n.)
"a maker of locks," early 13c., from lock (n.1) + smith (n.).
From Middle English loksmith; equivalent to lock + smith.
locksmith (n.)
"a maker of locks," early 13c., from lock (n.1) + smith (n.).
