🧩 词语组成解析
n. 西德尼（男子名）；茜德尼（女子名）
🗣️ 情景例句
If someone doesn't buy it before then,
如果在此之前没有人买走的话。
Would you care to see a movie tonight?
今晚你要不要去看电影？
While the men had been working inside the ship, the air-line had been giving off oxygen.
当工人们的在船舱里干活时，供气管一直在排放氧气。