n. 抵押品, 挑戰\\nvt. 以...為擔保, 以...為賭注\\nn. 抵押品, 標準度量, 計量器\\nvt. 精確計量, 估計
??? 情景例句
If she is stupid, she's at any rate pleasant to look at.
如果說她頭腦不靈,她這人至少容貌不錯。
Tractors have revolutionized farming.
拖拉機使耕作有革命性的變化。
This shows how long it was before we deemed it necessary to make sure that all our children could share in the knowledge accumulated by the'happy few' during the past centuries.