Methide
甲基化物
🗣️ 情景例句
know that I'm running for office
知道我正在竞选公职，
David must figure on at least seventy strong men for support.
戴维至少须把七十个壮汉的协助计算进去。
Which school were you at last year?
你去年在哪所学校读书？