Secondary hydrogen atom
[机] 二级氢原子
🧩 词语组成解析
secondary
['sɛkəndɛri]
adj. 第二的，中等的;助手，副手;中等教育的;间接的;
n. 副手，代理人;[天]双星中较小较暗的一个，卫星;[语]次重音;
second第二+ary...的→第二的
🗣️ 情景例句
My boss does everything by the book.
我们老板一切照章办事。
Never fry a fish till it's caught.
捉到鱼，才煎鱼。
The 'Antoinette' floated on the water until Latham was picked up by a ship.
“安特瓦特”号飞机在海上漂浮，后来有船经过，莱瑟姆方才获救。