🧩 词语组成解析
ad
[æd]
n. 广告;网球中的优势分advantage. ad in;
[计] 节点内
🗣️ 情景例句
I'm sure I did.
我确信我安排了什么事。
I'm speechless.
我也无话可说了。
Because the equipment for adding sound to films had not yet been developed.
因为给电影配音的设备还没有研制出来。