自然: 自然at ease; natural; free from affectation 短语和例子态度非常自然 be quite at ease; 她说英语, 语调很自然。 she speaks english with very natural intonation. 他不自然地笑了一笑。 he forced a smile. 她唱歌的嗓音很自然。 she sings wit
产: Ⅰ动词1.(人或动物的幼体从母体中分离出来) give birth to; be delivered of; breed 短语和例子流产 miscarriage; abortion; 难产 a difficult delivery; 顺产 an easy delivery; 死产 still birth; 早产 premature birth; 助产 midwifery;
