Gfaas
[化] 石墨爐原子吸收光譜法
??? 情景例句
I'm so glad everyone is asleep.
很高興大家都睡了。
A servant is known by his master's absence.
主人不在可以看出仆人的品行來。
From then on, Harry decided that this little game he had invented might prove to be expensive.
從那以后，他認識到自己發(fā)明的小小惡作劇是要付出很大的代價的。