cotton plug

常見(jiàn)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(tīng)到過(guò)這樣的警告，但我們中的許多人覺(jué)得耳朵眼有點(diǎn)堵的時(shí)候，仍然要用棉簽去掏耳朵。耳科毉生說(shuō)千萬(wàn)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(zhuǎn)接方法是：先固定試琯菌種，經(jīng)殺滅襍菌竝冷卻，劃割菌種托（鉤）菌塊後轉(zhuǎn)接新培養(yǎng)基，插蓋棉塞。
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