🧩 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
A generation raised on junk food could turn out mentally vulnerable.
在零食中长大的一代人，注定精神脆弱。
Though thy enemy seem a mouse, yet watch him like a lion.
即使敌人小如鼠，也要防他如防虎。
This note is only a reminder.
谨此提请注意。