Gastrointesinal tract

• 胃肠道

Gastrointesinal tract的用法和样例：

例句

1. This is how the GI tract keeps itself clean.
   这就是胃肠道能自我清洁的原理。
2. The same contractions that cause your stomach to growl also clean out the GI tract.
   这些造成胃低鸣的收缩同时也清理了整个胃肠道。