Semihydrogenation
半氢化
🗣️ 情景例句
Eight pounds six, just like me.
八磅六， 跟我一样。
Good morning !
早晨好！
He sent yet another fax informing the journalist that if he did not reply soon he would be fired.
于是他又发了一份传真，通知那位记者说，若再不迅速答复，将被解雇。