Hydrogels
(hydrogel 的复数) [化] 水凝胶\\n[医] 水凝胶
🗣️ 情景例句
Many kings and emperors used silver chopsticks to see if their food was poisoned.
许多帝王用银制的筷子以检查他们的食物中是否被人投了毒。
A journey of a thousand miles begains with a single step.
千里之行，始于足下。
I had left it on a chair beside the door and now it wasn't there!
我曾把它放在门边的椅子上，可这会儿不见了！