/'bætn; `bætn/
n
1 long board, esp one used to keep other boards in place, or to which other boards are nailed 板条（尤指用以固定其他板材或将其他板材钉于其上者）.
2 (on a ship) strip of wood or metal used to fasten down covers or tarpaulins over a hatch 压条（船上用以扣紧舱口盖或舱盖布的木条或金属条）.

v [Tn, Tn.p] ~ sth (down) (esp on a ship) fasten sth securely with battens （尤指船上）用压条固定住某物
*batten down the hatches, eg when a storm is expected 封住舱口（如风暴快来时）.

/'bætn; `bætn/
v (phr v) batten on sb/sth (esp derog 尤作贬义) thrive or live well at the expense of sb/sth, or so as to injure sb/sth 损及某人[某事物]以自肥
*She avoided having to work by battening on her rich relatives. 她仗着她那些有钱的亲戚而不必工作, 得以坐享清福.