Secondary wall
[医] 次生壁
🧩 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
It would have been great if we had been able to bottle the smells.
假如我们能将气味装瓶该有多好。
I would rather go today than tomorrow.
我宁愿今天去，而不愿明天去。
My old friend, Harrison, had lived in the Mediterranean for many years before he returned to England.
我的老朋友哈里森在回到英国以前曾多年居住在地中海地区。