Methylnorethindrone
18-甲炔诺酮
🗣️ 情景例句
to plan the refurnishing of the old library
计划重新整修老图书馆
Would you help me remove the refrigerator?
能帮忙移一下冰箱吗？
Hello. Is that Mr Brain?
喂，是布雷恩先生吗？