Picknometer
比重瓶
🗣️ 情景例句
Pretty good, but I got caught in a traffic jam in Beijing.
很好，不过在北京碰上了交通阻塞。
I met one of the engineers over at the television station.
我在电视公司遇到一位工程师。
Among the different types of bee, it is the honey bee that has most interested scientists because of the language they use to communicate with each other.
在这些不同种类的蜂中，因为蜜蜂能用"语言相互传递信息，科学家们对它们最感兴趣。