🧩 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
Come here.
过来这儿。
Fasting comes after feasting.
今日有酒今日醉，明日无钱不揭锅。
Chaplin and his friend are caught on the edge of a mountain in a snow storm in a small wooden house.
卓别林和他的朋友被一场暴风雪困在山边的一间小木房里。