?? 詞語組成解析
rated
['reitid]
adj. 定價的，額定的;
v. 估價( rate的過去式和過去分詞 );值得;責罵;定級;
algebra
['?ld??br?]
n. 代數(shù)學，代數(shù);
??? 情景例句
Please try to keep relaxed, sir.
別太緊張，先生。
She is at a loss as what to do.
她不知怎么辦才好。
You can enlarge your knowledge and learn some English at the same time.
你可以擴大你的知識面，同時又學習了英語。