Bipm
abbr. 国际计量局；国际度量衡局（The International Bureau of Weights and Measures）
🗣️ 情景例句
Hi. What can I do for you?
嗨 。我能帮你吗？
Early start makes easy stages.
早开始是成功的保证。
Just now we all watched you sign to show that you had received the cheque.
刚才我们大家都观察到了你为表明已收到那张支票而签名。