Acousto-optical crystal
[化] 声光晶体
🧩 词语组成解析
🗣️ 情景例句
But this should be your decision.
但这必须由你做决定。
One never loses by doing a good turn.
行善者决无一失。
My sister is only seven, but she always tells me whether my pictures are good or not.
我的妹妹只有7岁，但她总能说出我的画是好还是坏。