Sds
abbr. 学生争取民主社会运动（Students for a Democratic Society）
🗣️ 情景例句
No,
不对，
To toast, their health!
为了健康干杯！
A temporary rudder was made on board from spare planks and it was fitted with great difficulty.
船员用备用的木板在船上赶制了一只应急用的舵，并克服重重困难将舵安装就位，