Kieselgur
n. [地质] 硅藻土
🗣️ 情景例句
As a matter of fact,
事实上，
I've got an slight in my chest.
我的胸口有点痛。
I sat in the front of the bus to get a good view of the countryside.
我坐在汽车的前部，以便饱览农村风光。