1、This is not a good time for rolling over corporate debt.
這不是延期支付公司債務(wù)的合適時間。

2、And the huge amount of Japanese debt rolling over this year need not be a problem.
今年日本必須要重新發(fā)行的巨額公債不一定會是問題。

3、It crumbles, with a jumble of rock rolling over each other as the mass is pushed upward.
巖石相互滾動，亂成一團，物質(zhì)被向上推起，就起了皺褶。

4、Another way cats can show that vulnerability is by rolling over and exposing their bellies.
貓咪表現(xiàn)脆弱的另一個方式是：翻滾身子，露出肚皮。

rolling over翻譯