Oceanographic
a. 海洋学
🗣️ 情景例句
My favorite non-work activity is …
我业余时间最喜欢做的就是跳舞。
Hold fast when you have it.
紧握你手中之物。
No,you mustn't eat anything until you see the doctor.
不行，看医生之前你不可以吃任何东西。