Intron
[化] 内含子
🗣️ 情景例句
If you're under twenty-one years of age ...
如果你还不到二十一岁……
The husband has built a doghouse for his dog.
丈夫为爱犬建造了狗屋。
The IBM PC386 will be big enough for us.
而IBM386对我们来说就够大的了。