Any of several terns of the genera Anous and Micranous, found in tropical waters and having a dark brown or black color with a white or gray head.
黑燕鸥一种燕鸥黑燕鸥和小黑燕鸥属，发现生长于热带水中，头为白色或灰色，身为深褐色或黑色
And this is in fact an ideal nesting site.
而这处原是燕鸥的理想营巢地点。
common tern of Eurasia and America having white black and gray plumage.
欧亚大陆和美洲普通的燕鸥，灰羽白背。
Terns now dive in to catch their share.
现在轮到燕鸥俯冲猎取属于它们的一份.
Children and sandpipers and terns played at the edge of the water.
海边上，一群孩子和矶鹞、燕鸥一起在水边嬉戏。
a bird that frequents coastal waters and the open ocean: gulls; pelicans; gannets; cormorants; albatrosses; petrels; etc..
经常出现在沿海和远海的鸟；海鸥；鹈鹕；塘鹅；鸬鹚；信天翁；海燕；等。
gull-like jaeger of northern seas.
北海类似海鸥的贼鸥。
Any of various swallows, such as the house martin or the purple martin.
紫崖燕如家燕、紫燕等几种燕子
Seagulls hover over the surging waves.
海鸥在惊涛骇浪上翱翔。
A troop of seagulls slept on the water.
一群海鸥栖息在水面上。
Several seagulls flew across the sky.
几只海鸥飞过天空。
The seagulls were wheeling in the air above me.
海鸥正在我的上空盘旋。
A gull skimmed the water.
一只海鸥掠过水面。
long-winged web-footed aquatic bird of the gull family.
海鸥科长翅、蹼足的水鸟。
a seagull perched atop the mast
停歇在桅杆顶上的海鸥.
Seagulls played about the ship.
海鸥围着船只翱翔。
The seagulls glided across the sky.
海鸥从天空滑翔而过。
A lot of seagulls are seagulls are flying over the sea.
许多海鸥在海面上飞翔。