🧩 词语组成解析
abbr. 研究与开发处(Office for Research and Development);运筹学部(Operational Research Division0;旋光色散谱, 旋光分散作用(Optical Rotatory Dispersion)
kangaroo
[,kæŋɡə'ru]
n. [动]袋鼠;
rat
[ræt]
n. 大老鼠;似鼠动物;<非正式>鼠辈,卑鄙小人;
vi. 捕鼠;<俚>背叛,告密;
🗣️ 情景例句
All the employees in the office eat fast food for lunch.
办公室里的职员中午都是吃快餐的。
He most lives who lives most for others.
活著对别人贡献最多的人,活得最有意义。
May I use your pen?
我可以用你的笔吗?