“得自”造句
如果你不等导游带领而进入山洞, 你就
得自担风险.
If you go into the cave without waiting for the guide, you do it at your own risk.
许多基团可通过向
得自胶的重氮盐作亲核取代而加以导入.
Many groups can be added by nucleophilic substitution on a diazonium salt.
人体连续不断地产生热, 这种热量
得自于食物.
The human body continuously produces heat, which it derives from food.