STEM与日常科技·英语30篇（3）

15 / 30

已读 0 / 30 课

合成生物学与工程化生物体的生物安全防护协议

Scientists now design microbes with novel DNA sequences to produce medicines or break down plastics.
But releasing such organisms into nature risks unintended ecological consequences or gene transfer.
Containment strategies include 'kill switches'—genetic circuits that trigger cell death under specific conditions.
Some engineered bacteria require synthetic amino acids not found in nature to survive outside labs.
Researchers also use auxotrophy, making organisms dependent on lab-supplied nutrients they cannot synthesize.
Physical barriers like sealed bioreactors complement biological safeguards in industrial settings.
International guidelines require risk assessments before any field trial of living synthetic constructs.
Unlike traditional GMOs, many synthetic organisms carry multiple redundant safety layers by design.
Public trust depends on transparent reporting of containment success rates and failure modes.
These protocols turn theoretical biosecurity into measurable, auditable engineering practice.

听 → 读 → 学表达 → 懂 → 今天会说这一句 → 跟读录音 → 自己说一句。

These protocols turn theoretical biosecurity into measurable, auditable engineering practice. 这些规程将理论上的生物安全转化为可量化、可审计的工程实践。
Physical barriers like sealed bioreactors complement biological safeguards in industrial settings. 在工业环境中，密封式生物反应器等物理屏障与生物防护措施相辅相成。
But releasing such organisms into nature risks unintended ecological consequences or gene transfer. 但将这类生物释放到自然环境中，可能带来意外的生态后果或基因转移风险。

这篇中文题目最接近哪一句？合成生物学与工程化生物体的生物安全防护协议一次学校运动会的通知一份超市购物清单

课文第一句的意思更接近？科学家如今设计携带新型DNA序列的微生物，以生产药物或降解塑料。今天学校放假了。请把窗户打开。

这一课主要在讲什么？（看英文标题） Synthetic Biology and Containment Protocols for Engineered Organisms How to cook noodles A maths worksheet

These protocols turn theoretical biosecurity into measurable, auditable engineering practice.

These protocols turn theoretical biosecurity into measurable, auditable engineering practice.

第一版：录下来、回听、再听标准音。系统打分以后再加。

用今天的表达，自己说一句。

例子：These protocols turn theoretical biosecurity into measurable, auditable engineering practice.