adj. 额外的,补充的,附加的;特大的,特别的;
n. 附加物,额外的事物;临时演员;号外;上等产品,上品;
adv. 额外地;格外地,特别地;
extra=out出去 → 出去的 → 余出的 → 额外的
🗣️ 情景例句
How is your score in English?
你的英语成绩是多少?
How much does she eat?
她要吃多少?
The sorry-looking, blackened figure that emerged, admitted at once that he had tried to break into the shop during the night but had got stuck in the chimney.