- 重点词汇
- 呼吸
breathe; respire; respiratory; breathing; respiration; breath; wind; puff
- 自然
nature; natural world; spontaneity; naturalness; naturally; natch; suitably; spontaneously; au naturel; of course; as a matter of course; at ease; free from affectation; natural; crude; physical; unforced; spontaneous; unaffected; artless