Fissiumfs
[化] 裂片-铀合金; 裂片-铀合金试样; 裂变产物合金; ╃
🗣️ 情景例句
What do people usually do on that day?
在这一天，人们通常干什么？
Which would you prefer, a smoking seat or a non-smoking seat?
你喜欢哪种，吸烟座还是禁烟座呢？
It's true that he may fall behind the other students.
真的，他可能会落在其他同学的后面。