Scientific problems
[计] 科学问题
🧩 词语组成解析
n. 问题；难题（problem的复数）
🗣️ 情景例句
Six table lamps. Three end tables. One piano.
六个灯。三张茶几。一 钢琴。
Stand up,please.
请站起来。
Nothing of value was found, but the numerous items which were brought to the surface proved to be of great interest.
但没发现什么值钱的东西，不过打捞出来的众多的物品还是引起了大家极大的兴趣。