Around xx tonnes of ghost net was collected for a half-day clearance exercise.
是次半日的清理行动中约清除了两吨鬼网。
Health officials recommend that all seniors get clearance from their physicians-particularly if they have a history of heart problems-before they start an exercise program.
健康官员建议每个老年人、特别是有心脏病史的人，在从事运动之前应该由医生开个清单。
Health officials recommend that all seniors get clearance from their physicians-particularly if they have a history of heart problems-before they start an exercise program.
健康官员建议每个老年人、特别是有心脏病史的人，在从事运动之前应该由医生开个清单。
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