Interdental
a. 牙齿之间的, 齿间音的\\n[医] 牙间的
🗣️ 情景例句
How's your son getting on with his English?
你儿子的英语学得好吗？
No. Can't you see that rocket is almost falling down.
不。你不知道火箭快要倒下来了吗？
Only the Earth provides ideal conditions, and even here it has taken more than four billion years for plant and animal life to evolve.
只有地球提供理想的条件，而即使在这里，植物和动物的进化也用了40亿年的时间。