Sba
abbr. 标准射束着陆系统（Standard Beam Approach）；（美国）小型企业管理局（Small Business Administration）
🗣️ 情景例句
She took a medical course.
她选读医学课程。
Please don't forget to say goodbye to the rest of the family for me.
请别忘了代我向你的家人告别。
It is all too easy to blame the railway authorities when something does go wrong.
因此，一旦铁路上真出了问题，人们便不加思索地责备铁路当局。