Builders must fasten down roofs of newly-built homes more securely.建造工人必须把新建房屋的屋顶固定得更牢靠些。Ensure that the frame is securely fixed to the ground with bolts.确保用螺栓把框架牢牢地固定在地面上。He knotted the laces securely together.他把带子紧紧地系在...
He knotted the laces securely together.他把带子紧紧地系在一起。Ensure that the frame is securely fixed to the ground with bolts.确保用螺栓把框架牢牢地固定在地面上。Builders must fasten down roofs of newly-built homes more securely.建造工人必须把新建房屋的屋顶固定得更牢...