eat away侵蚀, 腐蚀, 锈蚀; 咬坏, 蛀坏
例句：The ocean waves are slowly eating away the coastal rocks.
大海的波浪慢慢地侵蚀着岸边的岩石。
2. "For every one case of active yaws that we see, the estimates are that there's up to eight cases of children infected with the yaws organism who don't present because they don't have symptoms at the time," says researcher Russell Hays, a physician at the remote Lihir Medical Center in Papua New Guinea.
infect with把…传染给…
