Sabretooth
剑齿虎（有一对剑形犬牙的大型猫科动物, 已灭绝）
🗣️ 情景例句
I'll pick you up here at seven .
我七点钟到这儿来接你 。
May I help you?
要我帮忙吗？
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。