Linear chain
[化] 直链; 正链
🧩 词语组成解析
chain
[tʃen]
n. 链子，链条;连锁，连续;拘束;连锁店或旅馆系列的事物;
vt. 用铁链锁住;监禁，束缚;
🗣️ 情景例句
and how hard it is
他还说这件事很难
Are you a native speaker of English?
你的母语是英语吗？
All products have to pass strict inspection before they go out.
所有产品出厂前必须要经过严格检查。