Naturetin
苄氟噻(嗪)
🗣️ 情景例句
You've got lots of time to improve your English.
你已经花了好多时间去提高你的英语水平。
Button holes are very hard to sew.
要缝钮扣洞非常难。
OK, Mom! said Lucy.
“好的，妈妈！”露西说。