Beryllon ii
[化] 铍试剂II
🧩 词语组成解析
abbr. 微光（Image Intensification）
🗣️ 情景例句
There has been very little progress this term.
这学期没有什么进步。
Better the foot slip than the tongue trip.
宁可滑跤，不可失言。
One case concerns and eleven-year-old schoolgirl, Vera Petrova,
其中有一例谈到有一个名叫维拉。彼托洛娃的11岁学生。