Tetrabromophenol sulfonphthalein
[化] 溴酚蓝
🗣️ 情景例句
the first settlers in America.
他们是第一批来美国定居的移民。
The first step is the only difficulty.
万事起头难。
Tim is an engineer.He is working for a big firm and he has already visited a great number of different places in Australia.
蒂姆是个工程师，正在一家大公司工作，并且已经去过澳大利亚的不少地方了。