frame lock bit的用法和样例：
- At present, the main products of our factory has the Quartet, curved blade lock, frame lock bag, rectangular locking, ball lock, lock Cross.
- He bit off a large piece of the apple.
- She was a bit queer after her husband deserted her.
- He chiseled a hole in the door to fit a new lock.
- This lock can only be opened from the inside.