Fissiumfs
[化] 裂片-铀合金; 裂片-铀合金试样; 裂变产物合金; ╃
🗣️ 情景例句
Richard, isn't that too much to ask of your mother?
Richard，那是不是太麻烦你母亲啦？
If there were no clouds, we should not enjoy the sun.
吃得苦中苦，方知甜中甜。
I'm an office worker.
我是上班族。