Daltonide
道尔顿体, 定比化合物
🗣️ 情景例句
Many new marriages end in divorce.
许多现代的婚姻以离婚收场。
To worry about tomorrow is to be unhappy today.
担心明天，今天就不愉快了。
the thought of rest will be not unwelcome.
有长眠的愿望未尝不是一件好事。