Diphosphane
二膦, 二磷烷
🗣️ 情景例句
and sometimes just stubborn.
有时候甚至近乎顽固。
He that goes to bed thirsty rises healthy.
忍渴上床，起身健康。
the bank must recognize its customer's signature.
因为银行有责任辩认出其储户的签名。