Thioaminopropionic acid
[医] 硫氢氨基丙酸, 半胱氨酸
🧩 词语组成解析
🗣️ 情景例句
A friend in need is a friend indeed.
患难朋友才是真正的朋友。
Experience is a school from which one can never graduate.
经验无止境。
There was no trace of fingerprints, but the inspector found a dirty red bundle that contained jewellery which the old lady said was not hers.
巡官没有发现指纹，却发现了一个装有珠宝的、肮脏的红包袱。老妇人说那不是她的。