问
- “Did Mary enjoy her trip on the ocean liner?” “No, she stayed in her cabin while the ship was ____.” A. over the sea B. in the sea C. to sea D. at sea(TOEFL)
- I'm still quite ____ sea, please explain it once more.
A. in B. on C. at D. under
在上面两道试题中 at sea 的含义是什么？
答
见 at sea。