Methylnorethindrone
18-甲炔诺酮
🗣️ 情景例句
Hello, Harry. It's nice to meet you.
你好 Harry 很高兴见到 。
Skiing is such a challenging sport!
滑雪是非常有挑战性的运动！
It looked as if there would be an exciting race across the Channel.
看来会有一场激烈的飞越英吉利海峡的竞争。