Single supplement
n. 单间附加费（一人住双人间时所付的额外费用）
🧩 词语组成解析
single
['sɪŋɡl]
adj. 单一的;（打斗、比赛等）一对一的;惟一的;适于一人的;
n. 单程票;（旅馆等的）单人房间;[复数]（高尔夫球一对一的）二人对抗赛;[常用复数][美国、加拿大英语]未婚（或单身）男子（或女子）;
vt. 挑选;
vi. 作一垒手;
🗣️ 情景例句
The match was postponed to the following Saturday because of bad weather.
比赛因天气不好而延期到下个星期六进行。
He who does no good, does evil enough.
好事不做，坏事做绝。
Which language is spoken by the largest number of people in the world?
世界上哪种语言说的人最多？