Methylcystein
甲基胞嘧啶
🗣️ 情景例句
My doctor advised me to give up smoking without delay.
医生劝我立即戒烟。
God defend me from my friends; form my enemy I can defend myself.
防友靠天，防敌靠己。
They also have the disadvantage of being an expensive form of transport.
飞机另一个缺点是昂贵。