表达 “know something back to front” 的意思是 “对某件事情了如指掌，或对某个话题有深入的了解”。 例句 You’re an expert in computing. You know computers back to front. 你是计算机学方面的专家。你对电脑了如指掌。 She is fluent in five languages. She knows ...
7. Front handspring, step out, round off, back handspring, step out, round off, back handspring, full twisting lay out. 前手翻，向前一步，侧翻内转，后手翻，向前一步，侧翻内转，后手翻，360度转体落地。 8. Missy is bank.
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