Underdense
欠密的
🗣️ 情景例句
first we need to know some references.
首先我们得知道你们有哪些备询人。
I dress my sister and wash her hands and face.
我给我妹妹穿衣服，洗脸洗手。
She goes to work every day except Sunday.
除星期天外，他每天去上班。