saddle back

基本解释

The shells of the tortoises come in two basic varieties, dome-shaped and saddle-backed.
這一亞種的巨龜有兩個基本的種群，圓頂形和馬鞍型。
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I found that funny because we never could put a saddle on the horse but had to ride it bare-backed.
我覺得這很有意思，因爲我們根本無法給馬裝馬鞍。如果騎得話，必須直接騎在馬背上。
Mr Bush agreed to saddle financial companies with the Sarbanes-Oxley Act for much the same reason that Mr Obama backed the Dodd-Frank Act: the public demanded a response to corporate excesses.
佈什之所以同意用《薩班斯-奧尅斯利法案》限制金融企業，和奧巴馬支持《多德-弗蘭尅法案》的原因是相同的：公衆要求政府對企業界的肆意妄爲採取對策。