bulk:the main part of something; most of something 主體;大部份 singular the ~ (of sth)
The bulk of the population lives in cities. 大多數人口居住在城市里.
electronic:of a device 裝置 having or using many small parts, such as microchips, that control and direct a small electric current 電子的;電子器件的 usually before noun
an electronic calculator 電子計算器
electronic music 電子音樂
This dictionary is available in electronic form. 本詞典有電子版本.
shelf life:the length of time that food, etc. can be kept before it is too old to be sold (食品等的)貨架期,保存期
liable:likely to be affected by something 可能受…影響 ~ to sth not before noun
See also: prone Synonym
You are more liable to injury if you exercise infrequently. 不經常運動就更容易受傷.