Secondary(optical)axis
[化] 副轴; 副光轴
🗣️ 情景例句
Have you ever held a secretarial position?
你曾当过秘书吗？
Seize (or Take) time by the forelock.
撤热打铁。
Otherwise we won't be able to hear ourselves talk.
否则我们的谈话彼此就都听不到了。