n.武器（恒用复数）；怀（恒用复数）

　　After three rounds of arms talks, both countries reached an agreement.

　　经过3回合的限武谈判后，两国终于达成协议。

　　John held his girlfriend in his arms, gently kissing her.

　　约翰把他女友拥在怀里，温柔地吻着他。

　　awkward

　　a.笨拙的，不熟练的

　　I felt awkward when I saw my ex-boyfriend yesterday.

　　昨天我看到前任男友时浑身不自在。

　　clumsy

　　a.笨拙的

　　Randy is so clumsy that he cannot hold a cup of coffee without spilling it.

　　蓝迪真是笨拙，所以手中拿着咖啡杯的时候，咖啡一定会溅出来。

　　bacteria

　　n.细菌（复数)

　　Handrails are covered in/with bacteria.

　　扶手上都是细菌。

　　germ

　　n.细菌，病菌

　　Remember to wash your hands to get rid of any germs.

　　记得要洗手以去除细菌。

　　virus

　　n.病毒，滤过性病毒

　　The hard drive was accidentally infected with a computer virus.

　　这个硬件不小心感染了电脑病毒。

　　bald

　　a.秃头的

　　Duncan wears a toupee to cover his bald head.

　　邓肯戴了顶假发来盖住他的秃头。

　　Jack is only twenty, but he is going bald.

　　阿杰才20岁，可是渐渐秃头厂。

　　bankrupt

　　a.破产的

　　Because of a poor investment, Billy went bankrupt.

　　由于投资不当，比利破产了。

　　bankruptcy

　　n.破产

　　We thought (that) that big business would declare bankruptcy, but it didn't.

　　我们原本以为那家大公司会宣布破产，但并没有。

　　broke

　　a.一文不名的；破产的

　　I can't lend you any money; I'm as broke as you.

　　我没什么钱可借你；我跟你一样身无分文。

　　Many businesses went broke during the Great Depression.

　　许多公司于经济大萧条期间都破产了。