单词学习：wing 名词/动词
wing
/wɪŋ/
翅膀；机翼；侧翼；派系
During the biology class, Mr. Gu pointed to the diagram and explained, 'The wing of a bird is a marvel of natural engineering, perfectly adapted for flight.'
在生物课上，顾老师指着图表解释道：'鸟的翅膀是自然工程的奇迹，完美地适应了飞行。'
单词卡片
卡片已就绪
