Lignans
木脂素类
🗣️ 情景例句
It's no big deal.
这没有什么。
I heard you'd been sick.
听说你身体不舒服。
The real dividing line between continents and oceans occurs at the foot of a steeper slope.
大陆和海洋的真正分界线是在陡坡脚大陆架慢坡