Naotin
烟酸钠
🗣️ 情景例句
Kissing someone that smokes is like kissing an ashtray.
吻一个烟民就像吻一个烟灰缸。
Everything is nice in your garden.
老王卖瓜，自卖自夸。
From 1830 onwards in the USA and from about 1870 in Canada, settlers began to move westwards and to take possession of the plains as their own.
美国自1830年起，加拿大从1870年左右起，殖民者开始向西迁移，并把平原据为己有。