监狱只好拼命往里面塞犯人。Prisons are having to pack in as many inmates as possible.他们别无选择，只好接受他的提议。They had little choice but to agree to what he suggested.我喝醉了，只好让人把我送回家。I got drunk and had to be carried home....
...a billionth of a second.十亿分之一秒UNIT NINETEENA nanometer is one billionth of a meter ( 3~4 atoms wide 2 ).一纳米即十亿分之一米 ( 可以排列三四个原子 ).The centimeter - gram - second electromagnetic unit of inductance, equal to one billiont...