period
英 ['p??r??d]
美['p?r??d]
- n. 周期，期間；時(shí)期；月經(jīng)；課時(shí)；（語法學(xué)）句點(diǎn)，句號
- adj. 某一時(shí)代的
詞組搭配
put a period to
(dated)put an end to; bring to a conclusion
(舊)使結(jié)束，終止
in dry climates, the onset of summer drought may put a period to plant activity.
在干燥的氣候條件下，夏季干旱的開始就可能使植物喪失活力。