Chain extender
[化] 扩链剂
🧩 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;
[计] 扩展器, 延长器, 扩充部件\\n[化] 补充剂; 填料
🗣️ 情景例句
Yes, he makes house calls, but the doctor has an opening only after 2:00 p.m.
好，他愿出诊，但他在下午2点后才有空。
Second thoughts are best.
三思而行，再思可也。
While he was eating, I asked him to lend me twenty pounds.
当他吃饭时，我提出向他借20英镑。