Ilsa
abbr. 分析用离子发光光谱学（ion luminescence spectroscopy for analysis）
🗣️ 情景例句
Nobody. That's the problem.
没有人。这就是问题所在。
Do you usually lenrn Japanese on Saturday?
你通常在星期六学日文吗？
They help their parents to open their stockings, too.
他们还帮助父母打开他们的袜子。