双焦点镜片；一种包含远用和近用两个焦点区域的光学镜片
先理解核心含义，再看它在真实句子里的用法。
双焦点镜片；一种包含远用和近用两个焦点区域的光学镜片；双焦点镜片；一种包含远用和近用两个焦点区域的光学镜片
eyeglasses with two different optical powers, one for close work and one for distance, equivalent to bifocals
Many older adults find dual-focus lenses convenient for reading and driving.
许多老年人发现双焦点镜片在阅读和开车时都很方便。
双焦点镜片；一种包含远用和近用两个焦点区域的光学镜片
eyeglasses with two different optical powers, one for close work and one for distance, equivalent to bifocals
Use dual-focus lenses naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
Dictionary facts from AI_SUPPLEMENT.