Slide-rules
(slide-rule 的復數) [醫]計算尺
?? 詞語組成解析
slide
[sla?d]
vi. 滑落;下跌;打滑;[棒球]滑壘;
vt. 衰落（成）;逐漸降低;使悄悄轉動;（使）快捷而悄聲地移動;
n. 幻燈片;降低;
n. 規則；條例（rule的復數形式）
??? 情景例句
Hello. This is an emergency. Can you please send an ambulance?
喂，這兒有急病患者，請派一部救護車來。
Please fill in this disembarkation card.
請你填寫這張入境卡。
There was a tine when the owners of shops and businesses in Chicago that to pay large sums of money to gangsters in return for 'protection.
曾經有一個時期，芝加哥的店主和商行的老板們不得不拿出大筆的錢給歹徒以換取保護。