a. Mary is working in China. b. Mary is working in Beijing.
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药物的pKa大于10
A. 药物吸收得很慢
B. 直肠液的PH值
C. 栓剂距肛门约2EM处
D. 直肠内存有粪便
E. 基质的熔点
a. He no longer likes coffee. b. He liked coffee.
Words are in different sense relations with each other. What sense relation is illustrated
All the words in a language can be used to refer, but only some have senses.(北二外2010研)
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