经常

often; always; frequently; regularly; habitually; constantly; commonly; perennially; given; frequent; regular; constant; all the time; half the time; not infrequently

遭受

suffer; be subjected to; endure; incur; experience; sustain; undergo; take; come under; pass through; cop; expose; inflict; bring on yourself; exposure; suffering; undergoing; experiencing

灾荒

disaster; famine; calamity; catastrophe; drought; scarcity; dearth

国家

country; nation; state; land; shores; the body politic