Leukovorum
[医] 亚叶酸, 甲酰四氢叶酸
🗣️ 情景例句
You know airports.
机场的事你是知道的。
Give every man thine ear, but few thy voice.
要多听少说。
What was the population of the less developed countries in 1950?
1950年不太发达国家的人口是多少？