suck[sʌk]

【词频】★★☆☆☆

v. 吸吮；吸取；糟糕

n. 吮吸

sufficient[səˈfɪʃnt]

【词频】★★☆☆☆

adj. 足够的；充足的；充分的

【例】adj. 足够的

（2009上海）You're probably most familiar with college dictionaries, often called abridged dictionaries. Although abridged means “shortened”, these dictionaries contain more than 150,000 entries and provide detailed definitions that are sufficient for most college students and general users.

【译】你可能最熟悉大学词典，它们常被称为简略词典。虽然简略意味着“缩短”，但这些词典包含的词条超过15万个，并附有详细释义，能够满足多数大学生和普通用户的需求。

swing[swɪŋ]

【词频】★★☆☆☆

v. (使)摇摆；(使)转弯

n. 秋千；摇摆；摆动

tan[tæn]

【词频】★★☆☆☆

n. 鞣料；马戏团；晒黑的皮肤

v. (使)晒黑

adj. 棕褐色的