?? 詞語組成解析
security
[s?'kj?r?ti]
n. 安全;保證，擔(dān)保;保護(hù)，防護(hù);有價證券;
adj. 安全的，保安的，保密的;
se分開+cur關(guān)心+ity抽象名詞，性質(zhì)狀態(tài) → 安全；證券
??? 情景例句
Win a few, lose a few. that's life.
有得也有失，生活就是如此。
Don't forget to put stamps on the letter before you mail it.
不要忘記在寄信以前把郵票貼在信封上。
At night, families often stay in the open air near their houses.
晚上很多人家常呆在附近戶外。