Aex
[医] 气溶胶醚二甲苯
🗣️ 情景例句
Where do I register for classes?
我在哪儿登记我上的课？
One thorn of experience is worth a whole wilderness of warning.
一次痛苦的经验抵得上千百次的告诫。
Little by little the eleven minutes fell to zero.
慢慢地从11分钟减到了零。