Selective structure
[计] 选择结构
🧩 词语组成解析
selective
[si'lektiv]
adj. 精心选择的;选择的，不普遍的;淘汰的;
🗣️ 情景例句
Would Ms Lin please come forward?
有请林小姐到前面来。
Mettle is dangerous in a blind horse.
瞎马鼓勇气，正是危险事。
It is the natural frequency of emission of the hydrogen atoms in space and was discovered by us in 1951;
这个频率是空间氢原子释放的自然频率，是在1951年被人类发现的。