Fallbacks
(fallback 的复数) n. 可依靠的东西, 退却\\n[计] 撤退
🗣️ 情景例句
Thank you for your reassurance, Dr. Stewart.
谢谢你消除了我疑虑，Stewart大夫。
Hold fast when you have it.
紧握你手中之物。
What about the Natural History Museum? So far as I know, it's free.
去自然历史博物馆怎么样？据我所知，那儿是免费的。