7 sentences

1. 试验失败后，他的情绪非常低沉。

   shì​yàn shī​bài hòu, tā de qíng​xù fēi​cháng dī​chén.

   He was in very low spirits after the experiment failed.

   Source: Dong Chinese Dictionary

2. 这项试验必须连续进行，不能间断。

   zhè xiàng shì​yàn bì​xū lián​xù jìn​xíng, bù néng jiàn​duàn.

   This experiment must be conducted continuously without interruption.

   Source: Dong Chinese Dictionary

3. 我们对这种新材料进行了多次试验。

   wǒ​men duì zhè zhǒng xīn cái​liào jìn​xíng le duō cì shì​yàn.

   We have conducted multiple experiments on this new material.

   Source: Dong Chinese Dictionary

4. 这种新药的临床试验显示患者耐受良好。

   zhè zhǒng xīn yào de lín​chuáng shì​yàn xiǎn​shì huàn​zhě nài​shòu liáng​hǎo.

   Clinical trials of this new drug showed that patients tolerated it well.

   Source: Dong Chinese Dictionary

5. 这种新型制剂已经在临床试验中取得了良好的效果。

   zhè zhǒng xīn​xíng zhì​jì yǐ​jīng zài lín​chuáng shì​yàn zhōng qǔ​dé le liáng​hǎo de xiào​guǒ.

   This new preparation has achieved good results in clinical trials.

   Source: Dong Chinese Dictionary

6. 这项技术目前还处于试验阶段。

   zhè xiàng jì​shù mù​qián hái chǔ​yú shì​yàn jiē​duàn.

   This technology is currently still in the experimental stage.

   Source: Dong Chinese Dictionary

7. 这种药物已经进入了临床试验阶段。

   zhè zhǒng yào​wù yǐ​jīng jìn​rù le lín​chuáng shì​yàn jiē​duàn.

   This drug has entered the clinical trial stage.

   Source: Dong Chinese Dictionary