Weltmann's reaction
[医] 韦耳特曼氏反应, 韦耳特曼氏试验
🧩 词语组成解析
🗣️ 情景例句
When can I photograph a class?
我何时才来上课呢？
Sightseeing
观光
You're never too old to enjoy a Christmas stocking.
“你永远不会老到不能享受圣诞袜的乐趣，”