proof-staff

基本解释

• 金属直规

同根派生

英汉例句

• There is positive proof that he did it.
  有确切的证据证明他做了此事。
• The onus of proof lies with you.
  你有责任提供证据。
• Some of the teachers and staff members board out.
  有些住在学校的教职工在外搭伙。
• I regret having to make so many staff redundant.
  我很遗憾不得不裁减这么多职员。
• A soldier's courage is put to the proof in battle.
  士兵的勇气在战斗中得到考验。