Psammodontidae
砂齿鱼科
🗣️ 情景例句
Do you have any coupons?
你们有优惠卡吗？
It is not the gay coat that makes the gentleman.
君子在德不在衣。
So it is a comparatively simple step from locating the sea bottom to locating a shoal of fish.
从测定海深到测定鱼群，这一进展比较容易。