Ichthyolsulfonate
[医] 鱼石脂磺酸盐
🗣️ 情景例句
Richard, if you go out
Richard，假如你去
Do I need a reservation for the dining car?
我需要预订餐车吗？
because this is easier to shape than other kinds.
因为燧石较之其他石头更容易成形。