Spiral nebula
n. 螺旋星云, 旋涡星云
🧩 词语组成解析
spiral
['spaɪrəl]
n. 螺旋（线）;旋涡;螺旋形物;（足球运动的）旋球;
v. 使成螺旋形;螺旋式的上升（或下降盘旋上升（或下降）;
adj. 螺旋形的;盘旋的;盘旋上升的;
nebula
[['nebjulə]]
n. 星云, 角膜云翳\\n[医] 薄翳; 角膜翳, 角膜云翳; 喷雾剂
🗣️ 情景例句
It's dangerous to leave your children along while you go shopping.
购物时，把你的孩子单独留在家里是挺危险的。
What's your favorite kind of entertainment?
你最喜欢的娱乐是什么？
Her mother died when she was eight years old.
她8岁时母亲就去世了。