Side door
n. 侧门，边门; 旁门; 便门
🧩 词语组成解析
side
[said]
n. 面，边;方面;侧面;旁边;
adj. 侧面的;旁边的;次要的，枝节的;副的;
vi. 支持，同意;偏袒;附和;站在…一边;
door
[dɔr]
n. 门，户;出入口;一家[户];通道;
🗣️ 情景例句
That's a brilliant idea, Richard!
这主意太棒了， Richard！
I wrote 9 books.
我写了九本书。
Libraries made education possible, and education in its turn added to libraries: the growth of knowledge followed a kind of compound interest law, which was greatly enhanced by the invention of printing.
藏书使教育成为可能，而教育反过来又丰富了藏书，因为知识的增长遵循着一种“滚雪球”的规律。印刷术的发明又大大提高了知识增长的速度。