He withdrew the needle and placed a pad of cotton over the spot.
他把针拔出来，将一块药棉盖在针眼上。
Damping off, alternaria leaf spot and ball blight also can cause serious damage to cotton in some years.
某些年份，立枯病、黑斑病和铃疫病也能引起较大的损失。
The Karachi Cotton Association's spot rates were steady at overnight level.
卡拉奇棉花协会隔夜即期利率保持。
The Karachi Cotton Association's spot rates were steady at overnight level.
卡拉奇棉花协会隔夜即期利率保持。
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