Smiles, nods, and cheerful faces added to the general gaiety.微笑、点头和喜洋洋的脸庞使喜庆的气氛变得更浓了。Even Homer sometimes nods.[谚]智者千虑,必有一失.Jim expression nods dully, next dodder along ground went kitchen.吉姆神色呆滞地点了点头, 然后跌跌撞撞地去了厨房.Even H...
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....