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- BDM factors also can cause hybrid weakness or inviability. BDM因子也可以导致杂种劣势和杂种无活力。
- Hybrid weakness is often manifested as necrosis in developing seedlings or adult plant tissue, similar to the phenotype of pathogen attacks (27). 杂种劣势经常显现出成长幼苗或者成熟植物组织坏死，这种坏死类似于病菌侵染造成的表型（27）。
- More studies are needed to determine the frequency of this mechanism for hybrid weakness in interspecific crosses and to elucidate other mechanisms of hybrid inviability. 现在需要更多的研究以确定种间杂交中出现杂种劣势机制的频率和阐释杂种无活力的其他机制。
- The spirit is willing but the flesh is weak. 心有余而力不足。
- The hybrid offspring of a zebra and a horse. 杂交斑马斑马与马杂交的后代
- There is an inherent weakness in the design. 这设计本身存在弱点。
- An impoverished person; a pauper. 穷人贫困的人; 贫民
- The shock make me go all weak at the knee. 这件事把我吓得两腿发软。
- A mule is a hybrid of a donkey and a horse. 骡子是公驴和母马交配而生的杂种。
- You must be weak in the head if you believe that. 你相信那件事可就太傻了。
- That is a hybrid perpetual rose. 那是一株杂种的四季开花的蔷薇。
- He cannot run because he has a weak heart. 他有心脏病，不能跑。
- A fearful person is a weak person. 怕这怕那的人是软弱的人。
- A mule is a hybrid of a male donkey and a female horse. 骡子是公驴和母马交配而生的杂种动物。
- The shock made me go all weak at the knees. 这件事把我吓得两腿发软。
- His weak chest was a legacy of a childhood illness. 他那瘦弱的胸脯是儿时患病的后遗症。
- The King disguised himself in a pauper's clothes. 国王穿上贫儿的衣服以掩盖身份。
- In a weak moment, I agreed to pay for her holiday. 我一时心软同意了支付她度假的费用。
- A hybrid language or dialect; a pidgin. 不纯正的语言一种混合语言或方言; 混杂行话
- A condition or disease producing weakness. 疾病导致虚弱的状况或疾病
