优等

优等 [yōu děng]

1. ■ high-class; first-rate; excellent; top line; top quality; high quality; high grade

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常用词组

1. ■ 优等汇率 fine rate;

2. ■ 优等品 high-class product;

3. ■ 优等生 top student;

4. ■ 优等证券 gilt-edged securities