查询词典 first of all

first ionization constant：一级电离常数

first ion cyclotron wave ==> 基频离子回旋波 | first ionization constant ==> 一级电离常数 | first iron ==> 初铁

first transition series：第一过渡系

first-order kinetics 一级动力论(学) | first transition series 第一过渡系 | first short period 第一短周期

first runnings：初馏物

first short period 第一短周期 | first runnings 初馏物 | first law of thermodynamics 热力学第一定律

The first time you sell a gun：第一次卖枪的感觉

my first Israeli-made Uzi submachine guns.|以色列制的乌兹冲锋枪 | The first time you sell a gun...|第一次卖枪的感觉 | is a lot like the first time you have sex.|很大程度上就象第一次^做**一样

first time derivative：一阶时间导数

first term 首项 | first time derivative 一阶时间导数 | first treatment 预处理

The swift-footed arrive first：捷足先登

243. First come first served. 先到先得. | 243. The swift-footed arrive first 捷足先登 | 244. Great minds think alike./ see eye to eye/ 共识 英雄所见略同

First rate Universities：一流大学

面突:the first branchial arch | 一流大学:First rate Universities | 预防为主:Prevention first

first class; coach：頭等客車

3990 first class car 頭等客車 | 3991 first class coach 頭等客車 | 3992 first class seating compartment 頭等座席包房

first day：星期日

first cost 原始成本 | first day 星期日 | first finger 食指

first in last out：先今后出

first-in last-out 先进后出 FILO | First-In,Last-Out 先今后出 | first-order loop 一阶环路

Normal Spin：普通旋转速度脱水

不可脱水 No Spin/ Do not Spin | 普通旋转速度脱水 Normal Spin | 较短较慢程序脱水 Reduced Spin

forbears：列祖列宗

foratimeatonetimeonetimeonce 一度 | forbears 列祖列宗 | forbesite 纤砷钴镍矿