The weakest students can end up with a negative score.最差的学生可能会以负分收场。We must pick out the enemy's weakest units for attack.我们必须找敌人最薄弱的部队攻击.It's ironical that the weakest student in mathematics was elected class ...
Our windows have double - pane sashes.我们的窗户有 双层 的玻璃窗框.The window sashes were missing, the doors hung open, or were gone altogether...窗框都不见了，门都敞开着，或者干脆说压根就没有门了。The officer wears sashes on his shoulders.这名军官的肩上佩戴着肩带.The th...
铅是早在古代就已知的金属之一。Lead was one of the metals known to the ancient world.水银是一种已知的有毒物质。Mercury is a known poison.人们通常从已知的事实中推断未知的事实.People usually infer an unknown fact from a known fact....