Sp. gr.
[医] 比重
🧩 词语组成解析
[医] 酒精; 醑剂
🗣️ 情景例句
The smog in L.A. is caused by air pollution and water vapor.
洛杉矶的烟雾是由空气污染和水蒸气造成的。
I'm going to buy him another one.
我正要买给他另一个。
Dear Joan,
亲爱的琼，