Tetratolyltin
[化] 四甲苯基锡
🗣️ 情景例句
John proposed marriage to Helen.
绚翰向沦论求婚。
The years teach much which the days never know.
学问集年而成，而每日不自知也。
Though he was reluctant to do so at first, we eventually persuaded him to take us.
一开始，他很不愿意，但经劝说，终于同意了。