Chemical composition
[化] 化学成分; 化学组成
🧩 词语组成解析
🗣️ 情景例句
He started out as a salesman.
他开始时当推销员。
He who would search for pearls must dive below(or deep).
欲寻珍珠，须潜水下。
There has long been a superstition among mariners that porpoises will save drowning men by pushing them to the surface, or protect them from sharks by surrounding them in defensive formation.
长期以来，海员中流传着一种迷信的说法，认为海豚会把快要淹死的人托到水面，救人性命；或在人们周围列队保护，使他们免遭鲨鱼伤害。