noun 下载 🔗分享 表面活性剂，界面活性剂。 A surface active agent, or wetting agent, capable of reducing the surface tension of a liquid; typically organic compounds having a hydrophilic "head" and a hydrophobic "tail". Examples : "Sentence: "The cleaning solution contains a surfactant that helps the water spread out and wet the oily dirt on the dishes, making them easier to clean." " 这种清洁液含有一种表面活性剂，它可以降低水的表面张力，使水更容易铺展开来并浸润餐具上的油污，从而更容易清洗。 chemistry substance material compound science biochemistry 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 表面活性剂， 表面活化剂 A lipoprotein in the tissues of the lung that reduces surface tension and permits more efficient gas transport. Examples : "Babies born prematurely sometimes have trouble breathing because their lungs haven't produced enough surfactant to keep the air sacs open. " 早产儿有时呼吸困难，这是因为他们的肺部还没有产生足够的表面活性剂，无法使肺泡保持张开。 medicine physiology biochemistry biology substance anatomy organ 与AI对话词汇游戏阅读练习
