Methopterin
[化] 甲基叶酸\\n[医] 甲[基]叶酸, 甲喋呤
🗣️ 情景例句
Without that, it's hard.
没有就难办了。
Be practical!
实际一点吧！
I had no sooner got off the ship than I was assailed by a man who wanted to sell me a diamond ring.
我刚下船，就被一个人截住，他向我兜售一枚钻石戒指。