Law of perpetual motion
[機] 永久運動律
?? 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];
motion
['m?u??n]
n. 運動;手勢;動機，意向;請求;
vt. 打手勢;向某人點頭或搖頭示意;打手勢要求[指示];
vi. 運動;打手勢;
??? 情景例句
It has been raining constantly for two days.
雨連續下了兩天。
That's amazing! I t sure looks expensive.
真想不到！看上去肯定以為很貴。
We can't ship anymore until we get payment.
除非收到你的付款，否則我們無法再出貨給你。