Algins
algae derivatives 海藻产品
🗣️ 情景例句
While the Chinese rely on chopsticks, westerners prefer to use a knife and fork to eat with.
用餐时，中国人喜欢用筷子，而西方人喜欢用刀叉。
John is not forty-five yet,is he?
约翰不够45岁,是吗？
Experiments have proved that children can be instructed in swimming at a very early age.
实验证明，儿童在很小的时候就可以开始学习游泳。