noun🔗Share横桁, 支索桁。 One of two strong bars of timber, fixed horizontally on the opposite sides of the masthead to support the crosstrees and the frame of the top."The shipwright carefully inspected the trestletrees at the masthead, ensuring they were strong enough to hold the crosstrees and the weight of the top. "造船匠仔细检查了桅杆顶端的横桁，确保它们足够坚固，能够支撑起横桅和桅顶平台的重量。nauticalsailingstructureparttechnicalChat with AIVocabulary GamePractice Reading
