Variable acceleration
[机] 变加速度
🧩 词语组成解析
🗣️ 情景例句
When's the last time you took a vacation?
上次你去度假是什么时候？
Why are you so short?
你为什么那么矮呀？
One of the most famous sailing ships of the nineteenth century, the Cutty Sark, can still be seen at Greewich.
人们在格林威治仍可看到19世纪最有名的帆船之一“卡蒂萨克”号。