英文释义
n. A simpleton; a fool.
n. Any tern of the genus Anous, as A. stolidus.
n. The arctic fulmar (Fulmarus glacialis). Sometimes also
applied to other sea birds.
n. An old game at cards.
n. A small two-wheeled one-horse vehicle.
n. An inverted pendulum consisting of a short vertical flat
spring which supports a rod having a bob at the top; -- used for
detecting and measuring slight horizontal vibrations of a body to which
it is attached.
