[plural] -> 单数
- bacterium [plural] $\rightarrow$ bacteria
- a member of a large group of unicellular(单细胞的) microorganisms which have cell walls but lack organelles and an organized nucleus, including some that can cause disease.
a distinctive emblem worn as a mark of office, membership, achievement, licensed employment, etc.: name badges a Girl Scoutbadge.
- the national emblem 国徽
- 1 mainly British a bowl for washing, typically attached to a wall and having faucets connected to a water supply; a washbasin.
- 2 a wide, round open container, especially one used for holding liquid: she poured water from the jug into the basin.
- 3 a natural depression on the earth’s surface, typically containing water: the Indian Ocean basin.
the tract of country drained by a river and its tributaries, or which drains into a lake or sea: the Amazon basin a drainage basin.
- an enclosed area of water where vessels can be moored: a yacht basin.
- Geology a circumscribed rock formation where the strata dip toward the center.
- bait (entice)
- food used to entice fish or other animals as prey
- gentle and kindly
- reference book
- a list of the books referred to in a scholarly work, typically printed as an appendix.
- reference book
- cause (someone) to become perplexed and confused
- offer (a certain price) for something, especially at an auction
- an offer of a price, especially at an auction: several buyers *made bids for* the Van Gogh sketches.
- ( )
- a device fitted to something, in particular a weak or injured part of the body, to give support: a neck brace.
- be strong or courageous: she was about to tell him to brace up.
- (of a knife, pencil, etc.) having a worn-down edge or point; not sharp: a blunt knife.
(of a person or remark) uncompromisingly forthright(直率的): a blunt statement of fact he is as blunt as a kick in the shins.
- a stupid or careless mistake: she stopped, finally aware of the terrible blunder she had made.
make or become unclear or less distinct: [with object] : tears blurred her vision his novels blur the boundaries between criticism and fiction [no object] : as daylight waned, the pages blurred.
an act of breaking or failing to observe a law, agreement, or code of conduct: a breach of confidence they alleged breach of copyright.
active, fast, and energetic: a good brisk walk business appeared to be brisk.
- (of a sound, especially a person’s )hard but liable to break or shatter easily: her bones became fragile and brittle.
- (of a person or behavior) appearing aggressive or hard but unstable or nervous within: her manner was artificially bright and brittle.
- an estimate of income and expenditure for a set period of time
- bulk (a lot of)
- the mass or magnitude of something large: the sheer bulk of the bags.
- n. a person who habitually seeks to harm or intimidate those whom they perceive as vulnerable: he is a ranting, domineering bully.
v. seek to harm, intimidate, or coerce (someone perceived as vulnerable): her 11- year-old son has been constantly bullied at school a local man was *bullied into* helping them.
an office or department for transacting particular business: a news bureau the London bureau of the Washington Post.
- Burglar(theif) vs Bachelor
- a person who commits burglary(入室抢劫罪).
- a road passing around a town or its center to provide an alternative route for through traffic.