bulk:the main part of something; most of something 主体;大部份 singular the ~ (of sth)
The bulk of the population lives in cities. 大多数人口居住在城市里.
electronic:of a device 装置 having or using many small parts, such as microchips, that control and direct a small electric current 电子的;电子器件的 usually before noun
an electronic calculator 电子计算器
electronic music 电子音乐
This dictionary is available in electronic form. 本词典有电子版本.
shelf life:the length of time that food, etc. can be kept before it is too old to be sold (食品等的)货架期,保存期
liable:likely to be affected by something 可能受…影响 ~ to sth not before noun
See also: prone Synonym
You are more liable to injury if you exercise infrequently. 不经常运动就更容易受伤.