But there's many a slip 'twixt cup and lip, and no important graphene products are yet on the market.
但常言凡事都难十拿九稳，至今市场上也没有多少重要的石墨烯产品。
youdao
Twixt rosy dawn and rosy dawn there came unto me a new truth.
在两次朝霞之间，真理给了我新的启发。
应用推荐
模块上移
模块下移
不移动