Polybromocarbon
多溴烃
🗣️ 情景例句
Is Li Ying in?
李英在家吗？
She couldn't bear the sight of the mean man.
她连看那个卑鄙的男人一眼都不愿意。
Punctuality is a necessary habit in all public affairs in civilized society.
准时是文明社会中进行一切社交活动时必须养成的习惯。