Secondary(optical)axis
[化] 副軸; 副光軸
??? 情景例句
Get to the point.
請進入正題。
Something's come up.
有點事。
The captain of the Elkor ordered his men to salvage as much as possible from the wreck.
“埃爾科”號船長命令船員們盡量從沉船中打撈物品，