swinging boom 中文意思是什麼
swinging boom
解釋
起重機回轉臂-
For a while the ship kept bucking and sidling like a vicious horse, the sails filling, now on one tack, now on another, and the boom swinging to and fro till the mast groaned aloud under the strain
剎那間,大船如一匹劣馬騰空躍起。帆張滿了風,一會向這邊,一會又向那邊。帆桁來回晃蕩,直到帆墻難以承受,痛得嗷嗷叫。 -
Stand clear of the swinging boom of the crane
不要走近轉動的超重機吊桿。
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