Constants
n. 常量, 常数；物理常数（constant的复数）
🗣️ 情景例句
Oh, I'd love some ice cream.
哦， 我想吃冰淇淋。
Eye for eye and tooth for tooth.
以牙还牙，以眼还眼。
Those planning a trip to remote areas, or intending to live in countries where drinking water is not readily available, should know about the various possible methods for making water safe.
那些计划去偏远地区旅行，或在饮用水不现成的国家居住的人，应该知道如何使水适于饮用的各种办法。