Starter Unit 3 What color is it?

预备篇第三单元它是什么颜色？

Starter Unit 1 Good morning!

预备篇 第一单元早上好！

Starter unit Let's begin.

起始单元 让我们开始吧。

The compound, 3-amino-5-hydroxybenzoic acid(AHBA), is the specific and indispensible starter unit for the biosynthesis of ansamycins in microbes.

氨基-5-羟基苯甲酸（AHBA）是微生物产生安莎类抗生素及其相关抗生素的必需前体。

I taught my daughter Starter Unit 2 this morning. It turned out that she could grasp the content. She is almost good enough to learn from the courseware by herself.

今天早上，我教了女儿预备第二单元的内容。事实证明，她是能够掌握那些内容的。她几乎可以自己利用课件来学习了。

In the first quarter, Jackson let Bryant, a starter, stay on the court when he subbed the rest of the first unit out and brought in o 'neal.

在第一节的时候，杰克逊让科比一个首发呆着场上，然后把其余首发放在板凳上，让鲨鱼和其他几个替补上场。

Door Interlocking: starter and feeder doors mechanically interlocked so doors cannot be opened with unit energized;

门联锁：起动与馈电回路的门机械联锁以避免在装置通电的情况下开门。