Methylhydrazine
[化] 甲基肼
🗣️ 情景例句
What position do you hold?
你的职位是什么？
Friendship cannot stand always on one side.
来而不往非礼也。
He usually takes a short walk in the evenings and is always home by seven o'clock.
傍晚常常出去溜达一会儿，并且总是在7点钟以前回来。