² / fR:m; fRrm/ v
(a) [Tn, Tn.pr] ~ sth (from sth) give shape or structure to sth; fashion sth; produce sth 形成﹑ 构成﹑ 塑造或产生某事物: form a bowl from clay 用陶土做碗 * form sentences and paragraphs 构成句子与段落 * The reservoir was formed by flooding the valley. 这个水库是引水淹没山谷而形成的. * The substances are formed from a mixture of liquids solidifying under pressure. 这些材料是由几种液体混合在一起并加压使之凝固而成的. (b) [Ln] take a particular shape or structure; develop 成一定形状或结构; 发展; 成型.
[Ipr, Tn, Tn.pr] ~ (sb/sth) into sth arrange(sb/sth) or be arranged in a certain order 将（某人[某事物]）按一定顺序排列: The children formed (into) a line/The teacher formed the children into a line. 这些小学生排成了一排[老师让学生排成一排]. * The volunteers formed (themselves into) three groups. 志愿人员分成三组.
(a) [Tn, Tn.pr] ~ sth (from sth) bring sth into existence; develop or organize sth 使某事物开始存在; 成立, 创立, 组织（某事物）: form a committee, society, company, etc 成立委员会﹑ 协会﹑ 公司等 * The Labour leader was asked to form a government. 要求工党领袖组织政府. * (fig 比喻) form an idea, impression, opinion, etc (of sb/sth) 形成（对某人[某事物]的）想法﹑ 印象﹑ 意见等 * form a relationship 建立关系. (b) [Ipr] come into existence; take shape or develop 开始存在; 出现; 产生: thunder clouds forming in the distance 远处出现的雷雨云 * Ice forms (ie Water becomes solid) at 0C. 水在0C时结冰. * A scab formed on his leg. 他腿上结了个痂.
[Ln] be the material of (sth); be an essential part of (sth); constitute 成为（某事物的）材料; 成为（某事物的）基本部分; 构成: His research formed the basis of his new book. 他的研究成果是他这本新书的基础. * Should the new department form part of the Faculty of Arts? 这个新的系属文学院吗? * The historical aspect formed the main theme of her essay. 她的论文的主题是由历史观点贯穿起来的.
[Tn] instruct or train (sb/sth) 指导或训练（某人[某物]）; 塑造; 养成: a character formed by strict discipline 靠严格的纪律培养起来的性格.
[Tn] produce (sth) as the particular spelling or pronunciation of a word 构成（字的某种拼写或发音形式）: form the plural of a noun by adding `s' 在词尾加s构成名词的复数.
(phr v) form (sb) up move (sb) into position in lines, as on parade 将（某人）编入队伍: The battalion formed up by companies on the barrack square. 全营以连为单位在军营广场上列队.