查询词典 first base

or your first and last：对你来说是很多个的第一个 还是第一个和最后一个

- I can't. - Okay. Tell me this.|- 我做不到 - 好... | Is Katy just your first, your first of many, or your first and last?|Katy对你来说是很多个的第一个 还是第一个和最后一个? | How should I know?|我怎么...

首先 first and last先后：first and foremost

far and near远近 | first and foremost首先 first and last先后 | free and easy轻松自在

first motion approximation：初动近似

初动 first motion, first movement | 初动近似 first motion approximation | 广义射线 generalized ray

first axiom of countability：第一可数性公理

first approximation 首次近似 | first axiom of countability 第一可数性公理 | first boundary condition 狄利克雷边界条件

first boundary condition：狄利克雷边界条件

first axiom of countability 第一可数性公理 | first boundary condition 狄利克雷边界条件 | first boundary value problem 狄利克雷问题

first boundary value problem：狄利克雷问题

first boundary condition 狄利克雷边界条件 | first boundary value problem 狄利克雷问题 | first class 第一类

first derivative spectrum：一级导数光谱

first derivative 一阶导数 | first derivative spectrum 一级导数光谱 | first derived curve 导曲线

first order derivative：一阶导数

first order buckling 一次弯曲 | first order derivative 一阶导数 | first order difference equation 一阶差分方程

first order derivative：第一次导数

first-order correction 一级修正,一阶修正量 | first-order derivative 第一次导数 | first-order design 一阶设计

first order derivative：一次导数

first order delay 一次时滞 | first order derivative 一次导数 | first order difference 一阶差分

chenevixite：砷铁铜石

化学合成作用,化能合成 chemosynthesis | 砷铁铜石 chenevixite | 海沼沙脊 chenier

brown belt：棕色腰带

8.棕色腰带:brown belt | 9.黑色腰带:black belt | 10.红白色腰带:red-white belt