Kerasol
四碘酚酞
🗣️ 情景例句
Are you sure? But ... OK.
你确定吗？ 但……算了。
Learn to say before you sing.
按部就班。
It was warm last Sunday, so I went and sat on the river bank as usual.
上星期日天气很暖和。于是我和往常一样，又去河边坐着。