activities的中文意思、音标与词形变化

n. （activity复数形式）活动；活动区；活动性

n any specific behavior n the state of being active n an organic process that takes place in the body n (chemistry) the capacity of a substance to take part in a chemical reaction n a process existing in or produced by nature (rather than by the intent of human beings) n the trait of being active; moving or acting rapidly and energetically