Neobalgin
硫酸钡盐
🗣️ 情景例句
Thanks a million, Mr. Lee, for what you have done for me.
非常感谢你为我所做的一切。
Sure thing, boss. All in a day's work.
当然，头，这是家常便饭。
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。