Pentalkylated
五烃基代的
🗣️ 情景例句
and maybe you can help me set the table.
也许你能帮我摆桌子。
The magician completely amazed the audience.
魔术师的表演使观众目瞪口呆。
There is only enough spring water to supply the needs of the houses, so we have to pump from the river for farm use.
泉水只能满足家庭生活用水，因此我们必须从河里抽水以用于农业生产。