Law of photochemistry
[機] 光化學定律
?? 詞語組成解析
law
[l?:]
n. 法;法學;規律;法制;
vt.& vi. [口語、方言]訴諸法律，對…起訴，控告;
vt. 控告;對…起訴;
of
[?v]
prep. 關于;屬于…的;由…制成;
aux. 助動詞 [非標準用語、方言] =have [主用于虛擬語氣];
n. 光化學, 光化性\\n[化] 光化學
??? 情景例句
Good afternoon, Mr. Chen. Thank you very much.
下午好，陳先生。非常感謝。
How did he get away with cheating?
他是如何考試做弊而未被發現？
We've been anxious about you. We were expecting you back much earlier.
我們都為你們著急呢。都盼著你們早點兒回來。