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