Exhaust fumes are a threat to the _____________ to the air we breathe.
Exhaust fumes are a threat to the _____________ to the air we breathe.
51. Cargo that gives off fumes that may contaminate other cargo is known as a(n)____
51. Cargo that gives off fumes that may contaminate other cargo is known as a(n)____
中国大学MOOC: If you ______ toxic fumes, the poisons go directly into the bloodstream and quickly travel to organs.
中国大学MOOC: If you ______ toxic fumes, the poisons go directly into the bloodstream and quickly travel to organs.
If you ______ toxic fumes, the poisons go directly into the bloodstream and quickly travel to organs. A: exhale B: inhale C: export D: import
If you ______ toxic fumes, the poisons go directly into the bloodstream and quickly travel to organs. A: exhale B: inhale C: export D: import
从这种材料中散发出的烟雾对皮肤是有害的。 A: The fumes from this material are dangerous to the skin. B: The vapors that this material emits are dangerous to the skin.
从这种材料中散发出的烟雾对皮肤是有害的。 A: The fumes from this material are dangerous to the skin. B: The vapors that this material emits are dangerous to the skin.
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