Tryptophane
n. 色氨酸\\n[化] 色氨酸; β-吲哚基丙氨酸
🗣️ 情景例句
If you don't apply to the relevant department your passport will never be approved.
如果你不向有关部门申请，你就得不到护照。
The stain on the dress isn't really noticeable.
那件衣服上的污渍并不很明显。
I promise.
我保证。