Chain extender
[化] 擴鏈劑
?? 詞語組成解析
chain
[t?en]
n. 鏈子，鏈條;連鎖，連續;拘束;連鎖店或旅館系列的事物;
vt. 用鐵鏈鎖住;監禁，束縛;
[計] 擴展器, 延長器, 擴充部件\\n[化] 補充劑; 填料
??? 情景例句
When you're ready to get off, remember to press the button near your seat.
當你要下車時，記得按你座位旁的按鈕。
They will miss him very much when he leaves home for the first time.
李明第一次離開家，他們會非常想念他的。
You'll have to wear this hard hat for the tour.
參觀時必需戴上這安全帽。