查询词典 First impressions are firmly entrenched.

first and foremost：首先, 第一;最重要的

They were free and easy with their money and it was soon gone. 他们用钱很大方, 不久便耗费殆尽... | 13. first and foremost首先, 第一;最重要的 | First and foremost they needed food. 食物是他们最需要的东西...

because, first and foremost, I wanted so see：因为 首先 第一 我想知道

But I wanted to talk to you first,|我想先跟你谈谈 | because, first and foremost, I wanted so see|因为 首先 第一 我想知道 | if you'll take me back as your mom.|你如果会认我这个妈妈

first and last：先后

first and foremost首先 | first and last先后 | fish and chips炸鱼和薯条

first and last：总的说来;主要地

first and foremost 首先 | first and last 总的说来;主要地 | fish and chips 炸鱼和薯条

first base：一塁

ファースト first 一垒手 | ファースト?ベース first base 一塁 | ファアボール four ball 四個壊球

Private First Class：一等兵

Grade 6 一等兵(Private First Class)1942年1月8日的陆军部第5号公告设立第三,四,五级的技术兵;9月4日,在其臂章上增加字母T. 9月22日,军士长(First Sergeant)升至第一级,标志改为:三条折杠,三条弧线. 最上面的弧线与最下面的折杠相连,

First Derivative Test：一阶导数试验法

Factorial :阶乘 | First Derivative Test :一阶导数试验法 | First octant :第一卦限

First Derivative Test：一阶导数测试法

Factorial :阶乘 | First Derivative Test :一阶导数测试法 | First octant :第一卦限

First derivative element：一阶微分环节

563 火控雷达 Fire control radar | 564 一阶微分环节 First derivative element | 565 一阶无差系统 First order astatic system

Country First Or Family First：《国家利益&家庭温情之间>

11,> / What's more important in our life; | 12,> / Country First Or Family First; | 13,> / Why or Why not live abroad;

cold-work mould steel：冷作模具钢

oxidation-resistant steel抗氧化钢 | cold-work mould steel冷作模具钢 | gauge and cutter steel量具刃具钢

Rise and fall saw：升降锯

rise-and-fallpendant升降吊灯 升降压吊灯 | rise-and-fall-saw升降锯 | risedcosine上升余弦