Tungstates
钨酸盐类
🗣️ 情景例句
If I fail this exam I'll fail the course.
我要是考试没通过，这门课就没学分了。
I haven't the slightest idea what you're talking about.
我一点也不知道你在说些什么。
He did everything very slowly.
他做什么都很慢。