Cascarin
药鼠李苷, 波希鼠李素
🗣️ 情景例句
I think it's time for the wedding to begin.
我想是婚礼可以开始的时候了。
His presence in the room was not noticed.
没有人注意到他在房间里。
Alternatively, if the star were small, the life-supporting planet would have to have a close orbit round it and also provide the perfect conditions for life forms to develop.
反之，如果恒星很小，维持生命的行星就要在离恒星很近的轨道上运行，而且要有极好的条件才能使生命得以发展，