Don't commit your promises to paper if you are not certain you keep them.如果你没有把握兑现你的许诺，你就不要做出书面保证。It makes me sick that people commit offences and never get punished.一些人屡屡犯罪却从未受到惩戒，这真让我气愤。I'll repeat that so yo...
She didn't want to commit herself one way or the other.不管怎样，她都不想明确表态。It makes me sick that people commit offences and never get punished.一些人屡屡犯罪却从未受到惩戒，这真让我气愤。I'll repeat that so you can commit it to memory.我会重...
When pollen maturating , many small calcium precipitates distributed in its cytoplasm, especially in nucleus.接近开花时的成熟花粉粒细胞质中, 细小的钙颗粒主要分布在营养细胞和生殖细胞中....