Focuser
聚焦放大镜, 聚焦装置
🗣️ 情景例句
She was playing with the idea of studying abroad.
她有出国留学的念头，但并非很认真。
Neither fish nor flesh (nor good red herring).
非驴非马；不伦不类。
or even, of there nough, in other departments of the same firm.
甚至往往不能与本公司的其他部门的同行们。