Baritite
硫酸钡
🗣️ 情景例句
I keep thinking about the dog -- about Gemma,
我一直在想那只狗 Gemma，
Take something by the best handle.
理解某事物，乘其好机会。
Officials used to have trouble with the foreign names of people passing through Ellis Island, and because they were so busy, many people's names got changed in the rush.
官员们过去总是搞不清埃利斯岛过境人员的外国姓名，因为他们非常繁忙，所以在过境的人蜂拥而至的时候，许多人的姓名都被更改了。