bottomless
adj
1 very deep 极深的: a bottomless pit, gorge, etc 无底的深坑、峡谷等.
2 (fig 比喻) unlimited; inexhaustible 无限的; 无穷尽的
bottomless reserves of energy 取之不尽的能源.
🗣️ 情景例句
His studies advanced steadily.
他的学业不断进步。
I ask him to pay you now.
我要求他现在付钱给你。
The skins were used for making tents and water containers.