The flaw is, of course, that if at any point one of the steps is not reached, or one of the toy blocks is incorrectly placed, then the whole structure collapses.是什么意思_The flaw is, of course, that if at any point one of the steps is not reached, or one of the toy blocks is incorrectly placed, then the whole structure collapses.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句