Ucd
abbr. usual childhood diseases 儿科常见病
🗣️ 情景例句
it suddenly became real.
一切突然成真了。
It's been cloudy all morning.
整个早上多云。
Long car journeys are even less pleasant, for it is quite impossible even to read.
乘汽车作长途旅行则更加不舒服，因为连看书都几乎不可能。