棉芯的英文：
cotton core
- The bulb of a thermometer is covered with a close fitting cotton wick, which is kept wetted with water
在温度计的球上，缠着一层配合紧密的棉芯，并用水使其保持湿润。
n. 棉，棉花，棉布
v. 明白，领悟
- She lives by raising cotton.
她靠种植棉花维持生计。 - They grow cotton of long staple.
他们种植长纤维棉花。 - Cotton is the staple of the area.
棉花是这个地区的主要农作物。 - They channeled their cotton field.
他们在棉田里挖了水渠。 - cotton drawers panty
棉内裤
n. 核心；精髓；果心；地核
v. 挖去…的果心
- inner core tube
内倒望远镜 - magnetic core switch
磁铁心开关 - core ,for electric transformers
线圈心,变压器用 - uniformly enriched core
均匀浓集活性区 - two core reactor
双活性区反应堆
