Biodeterioration
生物变质, 生物退化, 生物腐蚀
🗣️ 情景例句
Richard, did you go to the Davis Aerobics class today? Richard
你去上Davis有氧运动健身课了吗？
Our clients are very critical on quality.
我们的客户对商品的质量是很挑剔的。
The nurse assisted the doctor in the operating room.
护士在手术室协助医生动手术。