Neutron spectrum
[化] 中子谱
🧩 词语组成解析
🗣️ 情景例句
and his daughter Michelle.
以及他女儿Michelle。
In doing we learn.
经一事，长一智。
Ken gave up smoking two years ago. He'd been smoking for thirty years.
两年前肯戒了烟，之前他抽了三十年烟。