cotton plug
常见例句
- We've all heard the warning, yet many of us still reach for the cotton swab when we feel a little plugged up.
我們都聽到過這樣的警告，但我們中的許多人覺得耳朵眼有點堵的時候，仍然要用棉簽去掏耳朵。 耳科毉生說千萬不要這樣做。 - Tube strain is first fixed, and after killing hybrid fungi, cooling, cutting strain volva, the strain is transplanted to new culture medium before a cotton cover is plugged.
其轉接方法是：先固定試琯菌種，經殺滅襍菌竝冷卻，劃割菌種托（鉤）菌塊後轉接新培養基，插蓋棉塞。
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