Grh
[醫][=gas recycle hydrogenator]氣體再循環氫化器
??? 情景例句
Help yourself to celery and carrots and other vegetables.
請你們自己盛芹菜， 胡蘿卜 和其他蔬菜。
My brother is twice as tall as your sister.
我弟弟比你妹妹高一倍。
Perhaps it will suffice to mention the nuclear bomb.
也許提一下核彈就足以說明了。