Sp. gr.
[医] 比重
🧩 词语组成解析
[医] 酒精; 醑剂
🗣️ 情景例句
The longer the words the better.
单词越长越好。
I'll pick up ticket at the airport counter.
我会在机场柜台拿机票。
Let me see. It's about four thirty.
我看看，大约四点半了。