in prep.在...里；在...地方；在...期间；在...方面；进入...里面；处于...状态；穿着...；以...的方式adv.在家；入；进；向里；在某地；并入；在某种关系中adj.在里面的；新来的；执政的；时髦的n.当权者；影响；达成目标的路径
small adj.小的；年幼的；少的；不重要的；小气的adv.小地；小块地；小声地n.狭小部分；(pl.)零星物品；(pl.)小件衣服
双语例句
A substance added in small amounts to something else to improve, strengthen, or otherwise alter it. 添加剂，添加物少量加入其他物质以使其提高、增强或改变的物质
A material added in small amounts during a chemical or metallurgical process to absorb impurities. 吸气剂以少量加入化学或冶金过程中用来吸收杂质的物质
A substance, such as boron, added in small amounts to a pure semiconductor material to alter its conductive properties for use in transistors and diodes. 掺杂质，掺质剂加入纯半导体材料中的少量硼等物质，用于晶体管和二极管中以改变半导体的导电率
