Hexoprenalin
己烷双异丙肾上腺素
🗣️ 情景例句
He was ill at ease with people whom he didn't understand.
他和不熟悉的人在一起感到不自在。
Our product is competitive in the international market.
我们的产品在国际市场上具有竞争力。
He married my aunt in 1971, so Clare would have been five years old.
他1968年与我伯母结婚，那么克莱尔应该已经5岁了。"