Deddendum
[机] 齿根
🗣️ 情景例句
How long does your vacation last?
你的假期有多长？
What are you looking for?
你正在找什么？
At a special swimming pool in Los Angeles, children become expert at holding their breath under water even before they can walk.
在洛杉矶的一个特设的游泳池里，孩子们甚至在还没有学会走路时就已经能熟练地在水下屏住呼吸了。