[mass noun]the action of inserting something 插入;嵌入;塞入 the insertion of a line or two into the script. 在书稿中插入一两行。 ■the placing of a spacecraft or satellite into an orbit or trajectory (宇宙飞船、人造卫星的)嵌入轨道
a thing that is inserted, in particular 插入物,尤指 ■an amendment or addition inserted in a text (文本的)修改部分;添加部分 ■each appearance of an advertisement in a newspaper or periodical (报刊的)广告 ■an ornamental section of cloth or needlework inserted the plain material of a garment (服装面料的)布饰;绣饰
(Anatomy & Zoology)the manner or place of attachment of an organ (剖,动)(器官的)附着;附着处 close to the point of leaf insertion. 接近叶片的附着点。 ■the manner or place of attachment of a muscle to the part which it moves (肌肉对其移动部分的)附着;附着点 the names of the muscles and their insertions on the eyeball. 这些肌肉的名称以及它们在眼球上的附着点。
[mass noun](Biology)the addition of extra DNA or RNA into a section of genetic material (生)(基因材料片段中)插入额外脱氧核糖核酸(或核糖核酸)
语源
mid 16th cent. (in sense 2): from late Latin insertio(n-), from Latin inserere (see insert)