突然的拉力使得整只船剧烈颤动。The whole ship shuddered and trembled at the sudden strain.他感到胳膊不由自主地颤动。He felt a tremor in his arms.250英里外都能感觉到颤动。Tremors were felt 250 miles away....
The flowers give off a heady scent at night.这些花晚上散发出醉人的芳香.If plastic and rubber are burnt, they'll give off poisonous gases.要是塑料和橡胶被焚, 就会放出有毒的气体.Fireflies give off flashes of light when they fly at night.萤火虫夜间飞行时发出闪...