🧩 词语组成解析
mark
[mɑːk]
n. 斑点;记号;成绩;标准;
vt. 作记号;表示;给…打分;在…留下痕迹;
vi. 评分;注意;（比赛中）记分;
mark(mark)→符号；分数；标签；计分；做记号；加标签；使显著
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
cain
[[kein]]
n. 凶手；杀兄弟者；该隐（亚当之子）
🗣️ 情景例句
Hello, Joanne. Nice to meet you.
好， Joanne。很高兴见到 。
To sip a cocktail
啜吸鸡尾酒
It must have been a gas that could burn but that would not explode, a gas that did not smell strong, and a gas that did not kill people.
它一定是一种能够燃烧而不能爆炸的气体，一种味道不很强的而且不使人致死的气体。