Enteroderm
消化道内胚层
🗣️ 情景例句
Glad to know you.
很高兴认识你。
If you're hungry, we can eat dinner now.
如果你饿了，我们现在就去吃饭。
This echo-location in bats is often compared with radar, the principle of which is similar.
蝙蝠这种回声定位常常可与雷达相比较，其原理是相似的。