第85期: keep, lack, neat, obligate, packhorse

说一口流利的英语，从简单的单词开始。
听听，读读，背背，今天你的词汇量又增加了5个。

单词/词义 中英例句 单词听读 keep [ki:p] The matter will keep till tomorrow. v. 拖延 这件事搁到明天再说。 lack[lAk] She is lacking in responsibility. v. 缺乏，没有 她不够负责任。 neat[ni:t] She always kept her room neat. adj. 整齐的，整洁的 她总是保持房间整洁。 obligate[5Cbli^eit] He felt obligated to help. v. 使负责任 他感到有责任帮忙。 packhorse[5pAk7hC:s] The expedition used packhorses to carry their food and tents across the mountains. n. 驮马 探险队用驮马运载干粮和帐篷越过了这些崇山峻岭。