His moodiness may have been caused by his poor health.他的喜怒无常可能是身体欠佳所致。The drop was caused partly by the pound's strength against the dollar.下降的部分原因在于英镑对美元的升值。Overproduction and consequent low market prices for wine ...
突然的拉力使得整只船剧烈颤动。The whole ship shuddered and trembled at the sudden strain.突然的噪声把鸟群惊飞了.The sudden noise frightened the birds to take wing.一阵突然的痉挛使他全身发抖, 摔倒在地上.A sudden convulsion shook him, and he fell to the ground....