You need to take the top off the bottle first!
你得先把瓶盖子打开!
Then, and it's a matter of record, you can take the top off and though the fleas continue to jump, they won't jump out of the jar.
然后,当你拿下盖子的时候,尽管它们仍在跳,但是它们不会跳出罐子。
The instruction PULL or PARSE PULL take a string off the top of the stack.
指令PULL或者PARSE PULL从栈顶取得一个字符串。
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