Campholene
龙脑烯, 3-异丙基-1-环戊烯
🗣️ 情景例句
No. I need to stop by the shop.
不，我要先到商店停一下。
My brother took lessons on the trumpet for nearly ten years.
我的兄弟有将近10年的时间听小号的课了。
Those planning a trip to remote areas, or intending to live in countries where drinking water is not readily available, should know about the various possible methods for making water safe.
那些计划去偏远地区旅行，或在饮用水不现成的国家居住的人，应该知道如何使水适于饮用的各种办法。