Stannous
a. 亚锡的, 含二价锡的\\n[化] 亚锡的; 二价锡的
✅ 同义词
🗣️ 情景例句
the first settlers in America.
他们是第一批来美国定居的移民。
When it started raining, I was reading books.
当开始下雨的时候，我再看书。
To our dismay, we saw that there were snails everywhere:
让人沮丧的是，我们发现到处都是蜗牛：