先

So, before you defeat an enemy alien before you come to overcome the internal enemy.

所以，在你战胜外来的敌人之前，先得战胜你内在的敌人。

METHODS: Models of ALIF, PLIF and TLIF were simulated. After examination as normal group, the samples were randomly divided into three groups (n=5). Besides anterior, posterior and transforaminal lumbar interbody fusion include anterior, bilateral pedicle screw fixation was performed.

模拟临床手术建立前路椎间融合术、后路椎间融合术、椎间孔入路椎间融合术3种椎间融合术模型，先将所有标本作为正常对照组进行测试，然后将标本随机分为3组，每组5个标本，制成单纯椎间融合组，分别采用3种椎间融合术测试后，在此基础上再附加双侧椎弓根螺钉内固定进行测试。

This article outlines the integer aliquot concept in the first primary theory of numbers, the basic nature, as well as some special integer divisible characteristics.

本文先概述初等数论中整数的整除概念、基本性质，以及一些特殊整数的可除性特征。

We started with the organization first, not the dream," Allard recalls."It was quickly the answer to everything.

我们开始时先做的是组织工作，而不是空想，"阿拉德回忆道，"很快这就成了解决各种问题的钥匙。

That will be part of the new "Composer" package on Allegro.

请先在订阅设置页上更新您的昵称，然后再进行发帖。

I'd do you a skin test first to see if you have any allergy.

我要先给你做个皮肤试验，看看你是否会过敏。

Before training distribution-shared allophone models for continuous speech recognition,it is context-independent phone models that have to be trained.

摘 要 在语音识别中，为了得到分布共享的异音模型，先要知道与发音语境无关的音素模型。

You should allow for his age before asking him to do it.

你让他做这件事以前要先考虑到他的年龄。

At first,the intermediate of sodium 3-chloro-2-hydroxy propanesulfate was synthesized from epichlorohydrin and sodium bisulfite;And then,using NaOH as a catalyst,the title compound has been synthesized from intermediate and allyl alcohol to reach the yield of about 70%.

先由环氧氯丙烷和亚硫酸氢钠合成中间体3-氯-2-羟基丙磺酸钠，然后中间体再与丙烯醇在氢氧化钠催化下生成目标产物2-羟基-3-烯丙氧基丙磺酸钠。

I'll try an almond one first.

我先尝一块杏仁的。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。