Secondary(optical)axis
[化] 副轴; 副光轴
🗣️ 情景例句
It might be simpler and less expensive .
这样可能比较简单而且省钱。
One should not run with the hare and hunt with the hounds.
不应两面讨好。
Late in the afternoon, the boys put up their tent in the middle of a field.
傍晚时分，孩子们在田野中央搭起了帐篷。