Orthomigmatite
正混合巖
??? 情景例句
He is a man of ability.
他是個很能干的人。
A horse stumbles that has four legs.
人有失手日，馬有失蹄時。
Portable boiling elements that can boil small quantities of water are useful when the right voltage of electricity is available.
如果有相配的電壓，可以煮少量水的便攜式熱水裝置是有用的。