onion bulb

常见例句

双语例句

• An onion bulb;
  洋葱球；
• May to June. Also the size and weight of leaves, onion bulb and root system increased markedly compared with the control.
  地膜覆盖后洋葱叶片、鳞茎和根系的大小、重量都比对照显著增加。
• Cortical microtubules were observed in intraepidermal cells of onion bulb with thin section and negative staining of protoplasts.
  用超薄切片和原生质体负染的方法，在电镜下观察到洋葱鳞茎内表皮细胞周质微管的存在。
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